EP2738105A1 - Method and machine for assembling rigid tubular bodies made of cardboard material with a sealing structure - Google Patents

Method and machine for assembling rigid tubular bodies made of cardboard material with a sealing structure Download PDF

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Publication number
EP2738105A1
EP2738105A1 EP13194547.9A EP13194547A EP2738105A1 EP 2738105 A1 EP2738105 A1 EP 2738105A1 EP 13194547 A EP13194547 A EP 13194547A EP 2738105 A1 EP2738105 A1 EP 2738105A1
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EP
European Patent Office
Prior art keywords
sealing
strip
structures
cutting
tool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13194547.9A
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German (de)
French (fr)
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EP2738105B1 (en
Inventor
Guillaume Sireix
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Sireix Guillaume
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Sireix Guillaume
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Publication of EP2738105A1 publication Critical patent/EP2738105A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/59—Shaping sheet material under pressure
    • B31B50/592—Shaping sheet material under pressure using punches or dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/60—Uniting opposed surfaces or edges; Taping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D1/00—Multiple-step processes for making flat articles ; Making flat articles
    • B31D1/0018—Multiple-step processes for making flat articles ; Making flat articles the articles being pull-tap closure discs for bottles, jars or like containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D1/00—Multiple-step processes for making flat articles ; Making flat articles
    • B31D1/0043—Multiple-step processes for making flat articles ; Making flat articles the articles being box parts not otherwise provided for
    • B31D1/005—Multiple-step processes for making flat articles ; Making flat articles the articles being box parts not otherwise provided for making bottoms or caps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
    • B65B7/2821—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers applying plugs or threadless stoppers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
    • B65B7/2842—Securing closures on containers
    • B65B7/285—Securing closures on containers by deformation of the closure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
    • B31B2105/001—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs made from laminated webs, e.g. including laminating the webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
    • B31B2105/002—Making boxes characterised by the shape of the blanks from which they are formed
    • B31B2105/0022—Making boxes from tubular webs or blanks, e.g. with separate bottoms, including tube or bottom forming operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/005—Making rigid or semi-rigid containers, e.g. boxes or cartons involving a particular layout of the machinery or relative arrangement of its subunits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/02—Feeding or positioning sheets, blanks or webs
    • B31B50/022—Holders for feeding or positioning blanks or webs
    • B31B50/024—Rotating holders, e.g. star wheels, drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/28—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms
    • B31B50/30—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms the mandrels moving
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/44—Folding sheets, blanks or webs by plungers moving through folding dies
    • B31B50/442—Folding sheets, blanks or webs by plungers moving through folding dies having several cooperating plungers and dies fitted on a rotating table or on moving chains

Definitions

  • the present invention relates to the field of tubular packaging of cardboard, comprising a rigid tubular body made of a cardboard material, a bottom and / or a cover also made of a cardboard material, assembled to the tubular body, intended to contain solid products. in divided forms, such as powders, grains, granules, fibers, chips, etc. or products in liquid form or pasty form.
  • the tubular packagings concerned are both circular packs and tubular packings of non-circular section, for example rectangular or oval packs.
  • cardboard packaging usually refers to packages of which 90 to 98% by weight are made of cellulosic materials.
  • This type of packaging comprises, in addition to the layers of cellulosic materials, metal layers or coatings, such as aluminum, or synthetic, associated with cellulosic materials to form composite surface materials, which are referred to herein as “material card ".
  • metallic or synthetic materials constitute, in a generally accepted terminology, a “barrier material” insulating the product stored inside the packaging of the external environment, for example to prevent oxidation, drying out, or vis-à-vis -vis pollutants.
  • the synthetic layers or coatings can also play an essential sealing role between two parts of the package during its manufacture; in this case they are generally referred to as "reactive barrier material".
  • the French patent published under No FR 2,716,408 describes the manufacture of a tubular packaging of the above type.
  • the closure structure is formed of a cover-board made of cellulosic material and a safety membrane of cellulosic material coated with a barrier material. These two pieces are formed one after the other, in the form of cylindrical bowls by a punch shape through an outer die and engaged in one end of the tubular body.
  • the side walls of the two parts are assembled in a sealed manner with the inner wall of the tubular body. Then the wall of the tubular body is pre-cut along a peripheral line between the assembly areas of the two parts, so as to allow the opening of the lid carton without tearing the safety membrane.
  • the patent application US 2005/034819 discloses a machine for making conical buckets, the bodies being made one by one in a first unit and then fed one by one to an assembly plate, while the bottoms of the buckets are fed two by two to the assembly plate. As a result, the rate of the feed device can be reduced by half compared to the rate of the body manufacturing unit.
  • the patent application FR 2 060 078 also discloses a machine for manufacturing buckets, plastic, the bodies being made one by one in a first unit and then powered one by one to an assembly plate, the bottom of the buckets being also fed one by one to the assembly plate, and the assembled cups being transferred one by one into a finishing station.
  • the finishing station is equipped with triple or double tools, which has the effect of lowering the rate of rotation of this station relative to the rate of upstream units.
  • the method is clocked step by step, and the advance of the bands by one step, a sequence of assembly of the materials in strips and a sequence of cutting of two shut-off structures in the composite strip are enslaved. introducing a pair of sealing structures into the forming tool.
  • the skeleton of the composite strip is stretched by traction means.
  • the flat part cut in the left part and the flat part cut in the right part of the composite strip during the same cutting operation are longitudinally offset.
  • the skeleton of the composite strip is separated into its components downstream of said traction means.
  • N 8.
  • the machine can be made with only one sealing unit, if one does not want to do finishing operation on the box, especially in the case where the process relates to the laying of funds on bodies tubular.
  • a so-called double finishing tool is a lid precut tool.
  • the finishing unit comprises a double hemming tool.
  • the finishing unit comprises at least one double stacking tool.
  • the machine comprises a two-by-two assembly unit of shut-off structures in the form of solid areas comprising a central portion of shape conjugated to the shape of the opening of the tubular bodies, surrounded by a peripheral portion folding flap sufficient to assemble a shutter structure with the inner side wall of a tubular body, operating in step-by-step mode, and slaved to the introduction of a pair of shut-off structures in two forming tools.
  • said garment unit comprises a skeleton extractor device of band and in particular a tape skeleton separator device in its components.
  • the embodiment described below is a machine assembling tubular bodies of round section to round lids to form packages having a safety membrane.
  • Those skilled in the art are able to adapt their characteristics to realize embodiments of tubular bodies of parallelepipedal, oblong, ovoid, or other shapes and modes of execution using other types of shutter structures. It can also be observed that the bodies can be treated horizontally or vertically according to the chosen machine configuration.
  • the printed band has a constant pitch marked by spots 18, since the printing of the covers is wedged relative to the spots.
  • This strip is towed by several advance-band devices 19 motorized rollers which are slaved to each reading of a spot by a reader 20.
  • This device also tracts the membrane strip 17 which is then synchronized on the advance of the lid. Operations are performed at each stop on the strip of cellulosic material 16, the membrane strip 17 and the composite strip 21 which results from their assembly in an assembly device 22, an embodiment of which is described below.
  • This band then passes into a cutting station to be cut into lids.
  • this garment unit can perform multiple operations on strips of cardboard or other, and this easily because carried out flat. It is thus possible to produce cardboard powder coating grids from a cardboard membrane, to add impressions on both sides of a strip, to have additional components on a lid such as a spout, a plug, etc. Upstream of the assembly, operations not illustrated in the figures could be performed on the membrane strip, which can be a simple or complex film, a simple or complex cardboard strip. These operations may for example be: cutting and flipping a tongue, holes for a dusting grid, closed or not, the addition of a printed document, the establishment of a spout or a plastic cap, ... Such operations are also possible on the cover band. The advance of the two bands being synchronized, the precision of the operations is ensured.
  • the steps are either determined by printed spots or by the advance tape itself via an encoder.
  • the cutting of the composite strip into individual lids is illustrated by the figure 5 .
  • the advance of a cover at a first sealing station 4 causes a request for an assembly sequence of a cardboard web step 16 with a membrane.
  • the time interval between the manufacture of the flat cover structure and the forming of the cover in the sealing unit can be mastered. This is advantageous for the forming / sealing step of the lid, since the adhesive bonding the membrane to the lid does not have enough time to completely dry.
  • the membrane can slide relative to the lid. This makes it possible on the one hand to eliminate the presence of air between the cover and the membrane and, on the other hand, to limit the forming stresses on the materials. Indeed, if there was too much air between the lid and the membrane, the temperature of the sealing pads would dilate the air present between the lid and the membrane so that at the outlet of the machine, the lid would be inflated and the box not in accordance with the specifications.
  • the limitation of the forming stresses between the cover and the membrane also makes it possible to limit the presence of folds, likely to cause non-sealing of the seal and to limit the stretching and thus the embrittlement, or even rupture, of the PE-type complex films.
  • the limitation of the forming stresses also limits the deformation of a possible tongue and its cut on the vertical part of the skirt after forming the lid
  • connection of the assembly device to the cutting station covers includes a soft strand 23.
  • the composite strip produced can then be continuous and without tension between the assembly and the cutting of the cover, the two positions are mechanically independent.
  • the control of the drying of the glue is controlled by several factors. These factors are the setting time of the glue, the water-based glues having drying times between 20 seconds and three minutes, the distance between the cover / membrane glue station and the machine speed. In the event of prolonged machine shutdown, the covers between the gluing station and the forming machine can be purged automatically or manually.
  • the composite 21 is manufactured directly on the machine, so no storage of the finished product, consumption on demand so no waste, no special machine to do this work, so, overall, a cost saving.
  • This method of making two-component lids can also be used for making funds. Indeed, for economic or technical reasons, it may be advisable to laminate cardboard and barrier / sealant materials for a fund using the same method. A background can then be created online with various materials. It then takes advantage of the limitation of mechanical stresses described above to improve the sealing of the boxes.
  • the cardboard strip 16 is towed by a motorized advance roller device band 19.
  • This device drives both the cardboard strip 16 and that of the membrane 17.
  • the two strips are then synchronized in advanced.
  • the method of execution illustrated by the figure 3 is executed in several steps.
  • the first step optional, consists of embossing the cardboard strip 24 by a pneumatic, hydraulic or electric press.
  • the central portion remains flat, but the area of removal of the glue is slightly raised.
  • the glue will not rub the membrane and spread towards the center.
  • An adhesive film having a thickness of 0.2 to 0.5 mm is deposited on the inner part of the cover / cardboard strip opposite the impression by two impressions 25, one for each strip of the strip, via a translational movement passing the impressions of a glue container 26 until contact with the cardboard strip.
  • This movement is provided by an electric pneumatic jack, hydraulic or by the transformation of a rotational movement, connecting rod / crank for example.
  • Each fingerprint then returns to the glue box to reload glue.
  • the shape of the glue film thus deposited is the same as the impression.
  • the shape of the impression is a ring with diameters respectively slightly greater than the inside diameter of the box and slightly greater than the cutout diameter of the lid.
  • Glue application should be done with great precision. On the one hand for the membrane and the lid remain perfectly bonded during cutting, on the other hand so that the glue does not disperse to the inside of the lid.
  • the glue must also be present outside the cover cutout to bond the membrane strip to the cutter skirt cover strip, to facilitate the operation of the skeleton extraction device. However, if he is essential to have glue on the outside of the cut, it is also necessary to prevent the glue from dispersing too much towards the outside of the band. Indeed, the width of the strip being optimized to limit costs, the distance between the glue and the ends of the strips is very small.
  • the glue were to overflow on the sides of the composite cover / membrane, the elements in contact with the composite strip would be quickly polluted by the glue (advance tape for gluing, cutting, extraction as well as the guide elements, cutting die punch and forming / sealing tool). This can cause production stoppages as well as user complaints
  • a cover / membrane composite is created.
  • a very fine punch 27 firstly isolates the inner part of the lid at a diameter slightly smaller than the diameter of the adhesive impression by pressure on the cover and membrane strips.
  • Another punch 28 then comes to play the same role for the outer part of the lid with a diameter slightly greater than the diameter of the glue cavity.
  • a presser 29 located between the two punches 27,28 can then compress the glue to bind the two strips. The glue spreads only between the two punches.
  • the gluing For good management of the gluing cycle, the gluing must be followed by an advance of one step of the band, the pressure being arranged one step after removal of the glue.
  • the glue can not be dried on the cardboard strip and thus make the connection between the cover and the membrane impossible and add an extra thickness to the composite cover / membrane consists of a film of glue not yet compressed by the presser and therefore raised. This ensures on-demand and on-line production of the lid / membrane sealing structures.
  • This sizing process is applicable to the making of funds.
  • the relief step of the lid is not necessary because there will be no separation of the complex a posteriori.
  • the cardboard part of the bottom is not printed, stopping the advance is no longer made by reading a printed spot, but by a step advance.
  • This hole is relative to the positioning of the band on the garment unit with respect to gluing and other operations.
  • This hole is then used as a spot to drive the stop of the advance-cutting strip. It is then possible to use unprinted boxes and therefore less expensive while having the function of separating the lid / bottom unit and cutting the lid / bottom.
  • This tape feed device illustrated by the figure 4 uses a mechanism consisting of two drive rollers of the same diameter.
  • a servomotor 34 actuates one of the two rollers 31, the non-motorized roller 32 is driven by the motorized roller 31 via a pinion 33 or a belt.
  • the two rollers are then driven in a perfectly synchronized manner which improves the accuracy of each advance, especially when stopping the advance on the printed spot. This precision makes it possible to perfectly respect the centering of the strips with respect to the spots during the various operations performed on a cover, a membrane or a bottom.
  • the aim is to use a double track printed lid tape, optimized in width and pitch, thus limiting the amount of material not directly used in the packaging.
  • This cutting step is imposed by an economic variable. Indeed, to optimize the cost of the cardboard strips, and other parts of the composite, the distances between adjacent covers and the width of the strip must be reduced to the maximum, the surface of the cutting skeleton not being valued in the product. finished.
  • the step can also be imposed by the printing machines of the suppliers.
  • the offset cutting angle is then a function of the pitch of the spots and the width of the strips used. With this method of cutting two lids 35,36 offset by a pitch Pb of the strip, a cutting pitch Pd of the order of magnitude of about 1.4 * Pb is obtained, so that more space is available. to place tools related to cutting and transferring the lid. Cutting tools are in themselves known to those skilled in the art. It should be noted that the die punches of the cutting tools may protrude laterally from the composite strip.
  • the lids or bottoms must be transferred into the sealing tools of the lid (or bottom).
  • the pitch of the sealing tools Po is not necessarily the same as the cutting step Pd, in that for reasons of flexibility of operations, changes in format (diameter or shape) must be rapid and costly. limited tooling.
  • the step of the Po tools is therefore the result of an optimization for a panel of formats.
  • This difference between the cutting pitch Pd and the constant pitch of the tools Po imposes a solution of pitch Po by the transfer system, lids once cut
  • the figures 8 and 9 illustrate two cases where respectively Pd ⁇ Po and Pd> Po.
  • the movement of this transfer device is provided by a linear actuator 37, pneumatic, electrical or other, ensuring a rectilinear movement.
  • the transfer angle is achieved by the movement of the two transfer slides 38, which themselves have a transverse displacement.
  • it is simply necessary to change the cutting block staggered and transfer variable pitch (quick fixing), the adjustment variable to the change of format, and therefore this transfer angle.
  • a vacuum lamella 39 To overcome any inaccuracies in the position of the lid on a transfer slide, it is equipped with a vacuum lamella 39.
  • This slide will play a dual role. The first is to keep the lid on the transfer system, that is to say the slide. The second is to allow the lid to move slightly when the lid enters the sealing forming tool. Thus, the lid can be freely centered in the sealing forming tool (self-centering).
  • the cutting pitch is 141.42 mm (2 diameters 90 cut)
  • the pitch of the forming / sealing tools of the cover (or bottom) is 132 mm
  • the distance between the cutting point and the center of the forming tool / sealing is 200 mm.
  • the transfer device must then have a transfer angle of 2.7 ° to effect this transition.
  • This compact system makes it possible to make the exit of the web skeleton more reliable by pulling on it with a roller traction device 19 as described above, arranged downstream of the cut-out, instantly reproducing the movement of the strip advance 19 of the strip. composite upstream of the cut.
  • This makes it possible to release the skeleton of the cutting station reliably, even if for reasons of space, the exit trajectory of the skeleton, whose figure 6 illustrates two variants, is complex, and improve the positioning accuracy of the lids, or funds, under the cutting station.
  • This improvement in accuracy is due to the fact that the band remains stretched under the cutting station. This avoids the formation of wave (s) at the front of the feed-band upstream of the cutting of the covers, located relatively far behind the cutting position because of the diagonal cutting system.
  • the skeleton resulting from the cutting of the lid is, as previously described, a composite.
  • one or the other part of this composite may be composed of "noble" materials, pure cellulose or aluminum, for example.
  • the machine can be equipped with a band separator of cellulosic materials / membrane strip after extraction.
  • a tape feed 19 ' is added after that of extraction 19 of the skeleton, operating according to the same principle.
  • a strip separation device 40 schematically illustrated on the figure 7 is placed between these two strip advances. Only one of the two bands is towed by the last band advance 19 '. The strips are thus separated, the control of the gluing of the lid allowing easy separation. Each element is then recovered in different containers.
  • the forming / sealing buffers according to the invention have a design favoring this, illustrated on the figure 10 .
  • a conical interface 9 makes it possible to create a support at the center of the cardboard layer 44 of the cover to channel the air flow from the center of the cover, to the skirt and then to the outside, as shown by the arrows on the cover. figure 10 .
  • the difference between the hot parts and the cold parts of the tool can exceed 50 ° C.
  • the hot part 45 of the sealing tool is isolated from the conical interface 9 by an appropriate mounting thereof on the support 47 of the buffer, itself isolated from the hot part 45 by an insulating material 46.
  • the temperature on the support interface 9 is then limited, the printing of the lid is not impaired by heat (no reactivation of inks and varnishes).
  • the support 47 of the tool is perforated to let the hot air out to the outside.
  • the sealing temperature can be reduced.
  • the reduction of the sealing temperature avoids weakening the barrier films 42 of the tubular body and sealing films 43 of the cover.
  • the cardboard layer 41 of the tubular body and the skirt of the lid being subjected to a high pressure by the counter-sealing module 58, the cohesion between the sealing films of the body 42 of the box and of the membrane 43 has more time for to be done in a homogeneous way without being degraded by a high temperature.
  • the sealing of the boxes and the resistance of the lid are improved.
  • the evacuation of the air is carried out not only during the forming of the lid but also during the static phase of the seal (buffer in the lower position in the lid and lid in its final position in the box).
  • the same process is applicable to the sealing of a single or composite bottom.
  • the machine is equipped with two programmable independent forming / sealing systems 7 for each pair of forming station 4. Thanks to the register of the sealing plate 3, the machine knows which tool 7 is to be used. moment t at the forming / sealing station of the cover.
  • the forming system can be assigned a stroke for each tool. This race can be modified at any time by an operator, following a depth control.
  • the depth can also be adjusted dynamically by measuring the depths of the outgoing lids of the sealing station. This measurement is carried out by a suitable sensor, the affiliation cover / tool is made by the register of the automaton. The automaton can then give the forming tools the appropriate strokes for each tool, within a pre-determined tolerance threshold.
  • This device of the finishing unit is used to make a precise precut on a lid and uses a circular cutting knife.
  • the box enters a mandrel 48 called precut mandrel.
  • the knife 50 mounted on a movable support 49 then dives on the box through all the layers 41,42 of the body of the box and the membrane 43 of the lid.
  • a fixed stop 51 limits its dive so that it does not pass through the cardboard layer 44 of the cover.
  • the dipping position of the knife is located on the vertical skirt of the cover / membrane composite and below the glue surface bonding the membrane to the cover previously sealed by the sealing unit 2 of the machine.
  • the mandrel 48 then rotates to totally or partially cut the perimeter of the box.
  • the mandrel 48 and the knife 50 are connected by a mechanical transmission or by a virtual axis.
  • a servomotor 52 drives the precut mandrel; in the other case, an additional servomotor drives the knife.
  • tangential velocity synchronization is established between knife 50 and the body 41 of the box. This synchronization is obtained either by a mechanical transmission, by chain or belt, whose reduction ratio or multiplication is the same as the ratio between the diameter of the precut mandrel 48 and the diameter of the knife 50, or by a rotation interpolation the two servomotors of the precut mandrel and the knife, whose respective speeds are coordinated to the reduction or multiplication box / knife.
  • the ratio is 1; for a 50mm precut mandrel and a knife 100 mm in diameter, the reduction ratio is 2, the box then rotating twice as fast as the knife with respect to the number of revolutions per minute.
  • the wire of the knife can be deliberately altered by local suppression 53 of the cutting wire thus maintaining a link between the lid and the box to create more or less thick attachment points on the box, which serve then in inviolability 54.
  • the opening of the lid will be done after the breaking of the attachment points 54.
  • An opening hinge 55 can also be performed according to the same principle. In this case, the alteration of the cutting wire 56 is greater. The lid then remains attached to the body after opening. It is also possible to obtain a hinge by making an incomplete cutting of the box by performing less than one turn with the precut mandrel.
  • a preloading module 57 movable in translation, prestressed by springs. This prestressing of the box also stabilizes the latter, preventing the cutting wire of the knife from moving the box along the axis of rotation. The junction of the precut is then perfect.
  • This device is adaptable for non-round boxes (oval, square, rectangular ).
  • the dive stop is no longer fixed, but varies depending on the shape of the cover. Its position varies by copying a roller rotating on a cam of homothetic shape to the cutting mandrel, the roller being on the repository of the knife holder, or by the movement of an electrical axis interpolated to the shape by programming thereof .
  • the stops of the strip feeders are managed by reading a printed spot with respect to each printing of the lid, for example by an optical cell. In some cases, it happens that the spot is poorly printed or degraded, reading the spot is impossible. If a tape advance is missed due to a missing spot or illegible, the cover strips and membrane are then offset with respect to the printing, all operations performed prior to the joining of the strips are also offset and the cover resulting from the assembly and several lids to come are non-compliant. If these same lids are inserted into a box body, it is the whole box that is non-compliant; which represents a risk for the end customer.
  • the automation of the machine is able to handle this problem automatically without creating line stoppage and purging of expensive tape time and raw material by the method
  • the steps (printing ) of the band are constant, with some tolerance. This tolerance is taken into account to determine the size of the sizing footprint as well as the centering of the print. If all tape stops are within this tolerance, the covers are considered correct.
  • Information is provided via the man / machine interface not printing lids, it also provides the minimum and maximum tolerance of the advance, which can vary depending on the type of operation to be performed on the strips.
  • the automaton compares the position of the spot with respect to the actual advance made. This measurement is made using the encoder of the feed-belt servomotor or a coding wheel pulled by the cover band.
  • the spot is detected before the end of the theoretical advance of a print step, it is ignored and the tape advance stops at the value of the previously programmed print step.
  • the lid is then positioned within the tolerances. If the spot is not detected at its theoretical position, the tape feedrate stops at the value of the previously programmed print pitch. The lid is then positioned within the tolerances.
  • the number of advances made in step measurement mode in case of non-compliant spot is programmable by the operator; if this number is exceeded, the non-compliant lids are saved in a register and then evacuated from the cutting station in the following manner. The cutting of the covers is stopped, the feed-band of the lid then proceeds to advance to remove the non-conforming covers of the cutting system. The risk of box with non-compliant lids is eliminated. The same process is used for the advance-cutting band of the lid.
  • the machine according to the invention is a fast machine, capable of producing 80 to 200 units per minute of box body provided with lids or funds based on cardboard materials.
  • the main advantage of the machine is to produce 80 to 85% faster than a machine of the state of the art with comparable operating costs, and this with a single machine, so less mechanical, electrical, electronic elements and pneumatic as 2 older generation machines running at the same time.
  • the use of a machine according to the invention in place of two machines of the state of the art generates gains in space, power consumption, ancillary equipment and spare parts; which significantly reduces the cost of production boxes and therefore the cost.
  • the machine according to the invention requires only one person for the control. The production increases from 80 to 85% but the number of people on the line remains the same.
  • the saving of space is also very important, for example for the versions adapted for the laying of cardboard funds after filling, which are machines used at the end customer, because the customers rarely have room to house several machines in the same place of production.
  • the technology for manufacturing and assembling boxes with lids and cardboard bottoms that is to say environmentally friendly and recyclable packaging, is larger than the conventional technologies of composite cardboard boxes, it is ie cardboard body, metal bottom and plastic cover with membrane, difficult to recycle.
  • the argument of space saving is therefore important if the question arises to move the technology of composite boxes to the technology of boxes made entirely of cardboard.

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Abstract

The method involves supplying a sealing unit (2) with preformed tubular casings and sealing structures in the form of flat portions. Each sealing structure is inserted into a forming tool, and is formed in a bowl. The bowl in the tubular casing is inserted, placed and sealed using the forming tool. The side wall of tubular casing is precut and the lid along a peripheral line is partially precut, if sealing structure is a lid. The operation of the end of the package bearing is finished, if the sealing structure is lid. Independent claims are included for the following: (1) a machine for manufacturing package; (2) a feed strip device for a machine; (3) a gluing device for a machine; (4) a device for inserting sealing structures for a machine; (5) a forming tool for a machine; and (6) a precutting tool for a machine.

Description

La présente invention concerne le domaine des emballages tubulaires en carton, comprenant un corps tubulaire rigide fait d'un matériau cartonné, un fond et/ou un couvercle également fait d'un matériau cartonné, assemblés au corps tubulaire, destinés à contenir des produits solides sous formes divisées, telles que poudres, grains, granulés, fibres, chips, etc. ou encore des produits sous forme liquide ou sous forme pâteuse. Les emballages tubulaires concernés sont aussi bien les emballages de section circulaire que les emballages tubulaires de section non circulaire, par exemple des emballages de section rectangulaire ou ovale.The present invention relates to the field of tubular packaging of cardboard, comprising a rigid tubular body made of a cardboard material, a bottom and / or a cover also made of a cardboard material, assembled to the tubular body, intended to contain solid products. in divided forms, such as powders, grains, granules, fibers, chips, etc. or products in liquid form or pasty form. The tubular packagings concerned are both circular packs and tubular packings of non-circular section, for example rectangular or oval packs.

Le terme emballage en carton désigne usuellement des emballages dont 90 à 98% en poids sont constitués de matériaux cellulosiques. Ce type d'emballage comprend, en plus des couches de matériaux cellulosiques, des couches ou revêtements métalliques, tels que l'aluminium, ou synthétiques, associés aux matériaux cellulosiques pour former des matériaux surfaciques composites, qui sont désignés ici par le terme «matériau cartonné». Ces matériaux métalliques ou synthétiques constituent, selon une terminologie généralement acceptée, un «matériau barrière » isolant le produit stocké à l'intérieur de l'emballage de l'environnement extérieur, par exemple pour éviter une oxydation, un dessèchement, ou vis-à-vis de polluants. Les couches ou revêtements synthétiques peuvent également jouer un rôle essentiel de scellage entre deux parties de l'emballage au cours de sa fabrication; dans ce cas elles sont généralement qualifiées de «matériau barrière réactivable». Dans la suite de ce texte, pour simplifier le langage, le terme «scellage» est utilisé pour qualifier l'opération faisant adhérer, de façon définitive ou réversible, deux matériaux d'un emballage, quel que soit le type de substance adhésive, colle à froid, colle à chaud, hotmelt, revêtement fusible, etc. mise en oeuvre.The term cardboard packaging usually refers to packages of which 90 to 98% by weight are made of cellulosic materials. This type of packaging comprises, in addition to the layers of cellulosic materials, metal layers or coatings, such as aluminum, or synthetic, associated with cellulosic materials to form composite surface materials, which are referred to herein as "material card ". These metallic or synthetic materials constitute, in a generally accepted terminology, a "barrier material" insulating the product stored inside the packaging of the external environment, for example to prevent oxidation, drying out, or vis-à-vis -vis pollutants. The synthetic layers or coatings can also play an essential sealing role between two parts of the package during its manufacture; in this case they are generally referred to as "reactive barrier material". In the remainder of this text, in order to simplify the language, the term "sealing" is used to describe the operation that adheres, definitively or reversibly, two materials of a package, whatever the type of adhesive substance, glue cold, hot glue, hotmelt, fuse coating, etc. Implementation.

La présente invention concerne plus particulièrement un procédé de fabrication d'emballages en carton comprenant un corps tubulaire fait d'une ou plusieurs couches d'un matériau cartonné et une structure obturante, qui forme soit le couvercle soit le fond de l'emballage, comprenant

  • la fourniture de structures obturantes sous forme d'aplats comprenant une partie centrale de forme conjuguée à la forme de l'ouverture des corps tubulaires, entourée d'une partie périphérique rabattable suffisante pour assembler de manière étanche une structure obturante avec la paroi latérale interne d'un corps tubulaire,
  • l'introduction des structures obturantes dans un outil de formage, la mise en forme de cuvette et au besoin le chauffage de la structure obturante,
  • l'introduction, la pose et le scellage de la cuvette dans le corps tubulaire au moyen du dit outil de formage.
Selon que la structure obturante ci-dessus est un couvercle ou un fond, ce type d'emballage recevra ultérieurement respectivement soit un fond soit un couvercle, après le remplissage avec le produit qu'il est destiné à contenir.
La présente invention concerne également une machine pour mettre en oeuvre le procédé ci-dessus.The present invention relates more particularly to a method of manufacturing cardboard packaging comprising a body tubular material made of one or more layers of a cardboard material and an obturating structure, which forms either the lid or the bottom of the package, comprising
  • the provision of shut-off structures in the form of solid areas comprising a central portion of shape conjugate to the shape of the opening of the tubular bodies, surrounded by a folding peripheral portion sufficient to sealingly assemble a shut-off structure with the inner side wall of a tubular body,
  • the introduction of the shut-off structures into a forming tool, the shaping of the bowl and, if necessary, the heating of the shut-off structure,
  • introducing, installing and sealing the bowl in the tubular body by means of said forming tool.
Depending on whether the above closure structure is a lid or a bottom, this type of packaging will subsequently receive respectively a bottom or a lid, after filling with the product it is intended to contain.
The present invention also relates to a machine for carrying out the above method.

Le brevet français publié sous le No FR 2 716 408 , décrit la fabrication d'un emballage tubulaire du type ci-dessus. La structure obturante est formée d'un carton-couvercle constitué de matériau cellulosique et d'une membrane de sécurité en matériau cellulosique revêtu d'un matériau barrière. Ces deux pièces sont formées l'une après l'autre, sous forme de cuvettes cylindriques par un poinçon de forme au travers d'une matrice extérieure et engagées dans une extrémité du corps tubulaire. Les parois latérales des deux pièces sont assemblées de manière étanche avec la paroi interne du corps tubulaire. Puis la paroi du corps tubulaire est prédécoupée selon une ligne périphérique située entre les zones d'assemblage des deux pièces, de façon à permettre l'ouverture du carton-couvercle sans arracher la membrane de sécurité.The French patent published under No FR 2,716,408 , describes the manufacture of a tubular packaging of the above type. The closure structure is formed of a cover-board made of cellulosic material and a safety membrane of cellulosic material coated with a barrier material. These two pieces are formed one after the other, in the form of cylindrical bowls by a punch shape through an outer die and engaged in one end of the tubular body. The side walls of the two parts are assembled in a sealed manner with the inner wall of the tubular body. Then the wall of the tubular body is pre-cut along a peripheral line between the assembly areas of the two parts, so as to allow the opening of the lid carton without tearing the safety membrane.

La demande de brevet FR 1251086 décrit un procédé et un dispositif de fabrication d'un emballage comprenant un corps tubulaire fait d'un matériau cartonné et un couvercle, assemblé au corps tubulaire de manière étanche, ce procédé comprenant

  • l'assemblage à plat de trois matériaux en bandes, à savoir un matériau cellulosique revêtu d'au moins un matériau barrière réactivable, une pièce de laminage et un matériau formant la membrane de sécurité;
  • la découpe de la bande composite formée des trois matériaux assemblés en structures obturantes sous forme d'aplats comprenant une partie centrale de forme conjuguée à la forme de l'ouverture des corps tubulaires, entourée d'une partie périphérique rabattable suffisante pour assembler de manière étanche la structure obturante avec la paroi latérale interne d'un corps tubulaire;
  • l'introduction de ladite structure obturante dans un outil de formage, de pose et de scellage, le chauffage et la mise en forme de cuvette de la structure obturante, l'introduction et le scellage de la cuvette dans le corps tubulaire au moyen du dit outil de formage, de pose et de scellage;
  • la prédécoupe de la paroi latérale du corps tubulaire et de la membrane selon une ligne périphérique située au-dessus de ladite languette;
  • optionnellement une opération de finition, telle qu'un ourlage.
The patent application FR 1251086 discloses a method and a device for manufacturing a package comprising a tubular body made of a cardboard material and a cover, assembled to the tubular body in a sealed manner, which method comprises
  • the flat assembly of three strip materials, namely a cellulosic material coated with at least one reactive barrier material, a rolling member and a material forming the safety membrane;
  • the cutting of the composite strip formed of the three materials assembled into closed structures in the form of solid areas comprising a central portion of shape conjugated to the shape of the opening of the tubular bodies, surrounded by a folding peripheral portion sufficient to assemble in a sealed manner the shutter structure with the inner side wall of a tubular body;
  • introducing said shutter structure into a forming, laying and sealing tool, heating and shaping the closure structure, introducing and sealing the bowl into the tubular body by means of said forming, laying and sealing tool;
  • precutting the side wall of the tubular body and the membrane along a peripheral line located above said tongue;
  • optionally a finishing operation, such as hemming.

La demande de brevet US 2005/034819 décrit une machine de fabrication de godets coniques, les corps étant réalisés un à un dans une première unité puis alimentés un à un à un plateau d'assemblage, alors que les fonds des godets sont alimentés deux par deux à ce plateau d'assemblage. De ce fait, la cadence du dispositif d'alimentation des fonds peut être diminuée de moitié par rapport à la cadence de l'unité de fabrication des corps.The patent application US 2005/034819 discloses a machine for making conical buckets, the bodies being made one by one in a first unit and then fed one by one to an assembly plate, while the bottoms of the buckets are fed two by two to the assembly plate. As a result, the rate of the feed device can be reduced by half compared to the rate of the body manufacturing unit.

La demande de brevet FR 2 060 078 décrit également une machine de fabrication de godets, en matière plastique, les corps étant réalisés un à un dans une première unité puis alimentés un à un à un plateau d'assemblage, les fonds des godets étant également alimentés un par un à ce plateau d'assemblage, et les godets assemblés étant transféré un à un dans une station de finition. Dans une variante d'exécution, la station de finition est équipée d'outils triples ou doubles, ce qui a pour effet d'abaisser d'autant la cadence de rotation de cette station par rapport à la cadence des unités en amont.The patent application FR 2 060 078 also discloses a machine for manufacturing buckets, plastic, the bodies being made one by one in a first unit and then powered one by one to an assembly plate, the bottom of the buckets being also fed one by one to the assembly plate, and the assembled cups being transferred one by one into a finishing station. In an alternative embodiment, the finishing station is equipped with triple or double tools, which has the effect of lowering the rate of rotation of this station relative to the rate of upstream units.

Les machines de l'état de la technique mettant en oeuvre les procédés décrits ci-dessus travaillent à des cadences de 20-80 unités, à savoir corps tubulaires + couvercles, par minute. Après adaptation, ces machines à former des couvercles permettent également la pose de fonds en carton dans des boites préalablement remplies. Cette dernière opération s'effectue dans les usines consommatrices de ces emballages.The machines of the state of the art implementing the processes described above work at rates of 20-80 units, namely tubular bodies + covers, per minute. After adaptation, these machines to form lids also allow the installation of cardboard bottoms in previously filled boxes. This last operation is carried out in the factories consuming this packaging.

Avec le fort développement des ventes de boites en carton du type décrit ci-dessus depuis 2007 et la pression sur les prix exercée par les industries consommatrices de ces emballages, une demande existe pour trouver des solutions techniques pour produire plus, plus vite et donc moins cher.
A cet effet, l'invention propose un procédé de fabrication d'emballages comprenant un corps tubulaire fait d'un matériau cartonné et une structure obturante, comprenant

  • l'approvisionnement d'une unité de scellage en corps tubulaires préformés et en structures obturantes sous forme d'aplats comprenant une partie centrale de forme conjuguée à la forme de l'ouverture des corps tubulaires, entourée d'une partie périphérique rabattable suffisante pour assembler de manière étanche une structure obturante avec la paroi latérale interne d'un corps tubulaire,
  • l'introduction de chaque structure obturante dans un outil de formage, et sa mise en forme de cuvette
  • l'introduction, la pose et le scellage de ladite cuvette dans un corps tubulaire au moyen du dit outil de formage;
  • si la structure obturante est un couvercle, la prédécoupe de la paroi latérale dudit corps tubulaire et une prédécoupe partielle du dit couvercle selon une ligne périphérique,
  • si la structure obturante est un couvercle, au moins une opération de finition de l'extrémité de l'emballage portant ladite structure obturante,
procédé dans lequel les dits corps tubulaires sont amenés deux par deux à ladite unité de scellage, les structures obturantes sont amenées deux par deux à des paires d'outils de formage de ladite unité de scellage pour y être mises en forme de cuvettes, puis introduites deux par deux, posées et scellées dans des paires de corps tubulaires par lesdites paires d'outils de formage, et les corps tubulaires portant les lesdites structures obturantes sont soumis deux par deux aux opérations subséquentes de prédécoupe et de finition.With the strong growth of sales of cardboard boxes of the type described above since 2007 and the pressure on prices exerted by the industries consuming this packaging, there is a demand to find technical solutions to produce more, faster and therefore less expensive.
For this purpose, the invention provides a method of manufacturing packages comprising a tubular body made of a cardboard material and a closure structure, comprising
  • supplying a sealing unit in preformed tubular bodies and in flattened shuttering structures comprising a central portion of shape conjugate to the shape of the opening of the tubular bodies, surrounded by a folding peripheral portion sufficient to assemble in sealing manner a shut-off structure with the internal lateral wall of a tubular body,
  • the introduction of each shutter structure into a forming tool, and its shaping bowl
  • introducing, laying and sealing said bowl in a tubular body by means of said forming tool;
  • if the closure structure is a cover, the precut of the side wall of said tubular body and a partial precut of said cover along a peripheral line,
  • if the shutter structure is a cover, at least one finishing operation of the end of the package carrying said shutter structure,
wherein said tubular bodies are brought two by two to said sealing unit, the sealing structures are brought two by two to pairs of forming tools of said sealing unit to be shaped into bowls, and then introduced. two by two, laid and sealed in pairs of tubular bodies by said pairs of forming tools, and the tubular bodies carrying the said sealing structures are subjected two by two to the subsequent operations of pre-cutting and finishing.

Selon un mode d'exécution, le procédé comprend

  • l'assemblage à plat d'au moins deux matériaux en bandes, à savoir une bande d'un matériau cellulosique pouvant être revêtu d'au moins un matériau barrière et une bande d'un matériau formant une membrane de sécurité, en une bande composite,
  • la découpe de la bande composite en structures obturantes par paires d'aplats, l'un des aplats d'une paire étant découpé dans la partie gauche et l'autre aplat de la même paire étant découpé dans la partie droite de la bande composite.
According to one embodiment, the method comprises
  • the flat assembly of at least two strip materials, namely a strip of a cellulosic material which can be coated with at least one barrier material and a strip of a material forming a safety membrane, into a composite strip ,
  • cutting the composite web into closed structures in pairs of flat areas, one of the flat areas of one pair being cut in the left portion and the other flat of the same pair being cut in the right portion of the composite strip.

Selon un mode d'exécution, le procédé est cadencé pas à pas, et l'avance des bandes d'un pas, une séquence d'assemblage des matériaux en bandes et une séquence de découpe de deux structures obturantes dans la bande composite sont asservies à l'introduction d'une paire de structures obturantes dans l'outil de formage.According to one embodiment, the method is clocked step by step, and the advance of the bands by one step, a sequence of assembly of the materials in strips and a sequence of cutting of two shut-off structures in the composite strip are enslaved. introducing a pair of sealing structures into the forming tool.

Selon un mode d'exécution, une séquence d'assemblage de la bande composite comprend

  • la création d'une différence de relief sur la bande de matériau cellulosique entre les zones centrales d'une paire de structures obturantes et les zones périphériques à encoller, cette étapes de procédé étant optionnelle selon les colles,
  • la pose d'un film de colle sur les lesdites zones périphériques,
  • la mise en contact de la bande de matériau cellulosique et de la bande de membranes,
  • le pincement de la zone à encoller entre et par des poinçons compressant localement lesdites bandes,
  • l'application d'un outil presseur entre les dits poinçons.
According to one embodiment, an assembly sequence of the composite strip comprises
  • creating a difference in relief on the band of cellulosic material between the central zones of a pair of structures shutters and the peripheral zones to be glued, this process step being optional according to the glues,
  • applying a glue film to said peripheral zones,
  • contacting the strip of cellulosic material and the membrane strip,
  • pinching the area to be glued between and by punches compressing said strips locally,
  • the application of a pressing tool between the said punches.

Selon un mode d'exécution, après chaque avance de la bande composite et avant la découpe d'une paire de structures obturantes le squelette de la bande composite est tendu par des moyens de traction.According to one embodiment, after each advance of the composite strip and before cutting a pair of closure structures, the skeleton of the composite strip is stretched by traction means.

Selon un mode d'exécution l'aplat découpé dans la partie gauche et l'aplat découpé dans la partie droite de la bande composite lors d'une même opération de découpe sont longitudinalement décalés.According to one embodiment, the flat part cut in the left part and the flat part cut in the right part of the composite strip during the same cutting operation are longitudinally offset.

Selon un mode d'exécution le squelette de la bande composite est séparé en ses composantes en aval desdits moyens de traction.According to one embodiment, the skeleton of the composite strip is separated into its components downstream of said traction means.

Un autre objet de l'invention est une machine de fabrication d'emballages comprenant un corps tubulaire fait d'un matériau cartonné et une structure obturante faite d'un matériau cartonné, assemblée au corps tubulaire, ladite machine comprenant

  • une unité de scellage comprenant un plateau de scellage tournant, le dit plateau de scellage comprenant un nombre N de postes de scellage, avec 3 < N ≤ 50, chaque poste de scellage comprenant deux outils de scellage, le dit plateau de scellage tournant de manière cadencée via un indexeur à N stops,
  • un dispositif d'alimentation introduisant des corps tubulaires deux par deux dans un premier poste de scellage,
  • un dispositif d'introduction amenant des structures obturantes sous forme d'aplats, deux par deux, à une paire d'outils de formage d'un deuxième poste de scellage en amont du premier poste de scellage,
  • un dispositif de transfert de corps tubulaires, scellés à des structures obturantes, du plateau de scellage à une unité agencée en aval.
Another object of the invention is a packaging manufacturing machine comprising a tubular body made of a cardboard material and an obturating structure made of a cardboard material, assembled to the tubular body, said machine comprising
  • a sealing unit comprising a rotating sealing plate, said sealing plate comprising a number N of sealing stations, with 3 <N ≤ 50, each sealing station comprising two sealing tools, said sealing plate rotating so that clocked via an indexer at N stops,
  • a feeding device introducing two-by-two tubular bodies into a first sealing station,
  • an introducer providing shut-off structures in the form of solid areas, two by two, to a pair of forming tools of a second sealing station upstream of the first sealing station,
  • a tubular body transfer device, sealed to closure structures, from the sealing plate to a unit arranged downstream.

Selon un mode de réalisation la machine comprend de plus

  • une unité de finition comprenant un plateau de finition tournant, le dit plateau de finition comprenant un nombre N de postes de finition agencés pour accueillir chacun une paire de corps tubulaires scellés à des structures obturantes, le dit plateau de finition tournant de manière cadencée via un indexeur à N stops, et au moins un outil double de finition, avec lequel chaque poste de finition vient interagir pour effectuer au moins une opération spécifique de finition sur chaque corps tubulaire scellé à une structure obturante,
  • un dispositif d'éjection des dits emballages du plateau de finition.
According to one embodiment, the machine further comprises
  • a finishing unit comprising a rotary finishing plate, said finishing plate comprising a number N of finishing stations arranged to each accommodate a pair of tubular bodies sealed to closure structures, said finishing plate rotating clockwise via a indexer with N stops, and at least one double finishing tool, with which each finishing station comes to interact to perform at least one specific finishing operation on each tubular body sealed to a closure structure,
  • an ejection device of said packaging of the finishing tray.

Selon un mode de réalisation de la machine, N=8.According to one embodiment of the machine, N = 8.

Selon un mode d'exécution, la machine peut être réalisée avec seulement une unité de scellage, si on ne veut pas faire d'opération de finition sur la boite, en particulier dans le cas où le procédé concerne la pose des fonds sur des corps tubulaires.According to one embodiment, the machine can be made with only one sealing unit, if one does not want to do finishing operation on the box, especially in the case where the process relates to the laying of funds on bodies tubular.

Selon un mode de réalisation de la machine un dit outil double de finition est un outil de prédécoupe de couvercle.According to one embodiment of the machine a so-called double finishing tool is a lid precut tool.

Selon un mode de réalisation de la machine l'unité de finition comprend un outil double d'ourlage.According to one embodiment of the machine the finishing unit comprises a double hemming tool.

Selon un mode de réalisation de la machine l'unité de finition comprend au moins un outil double de gerbage.According to one embodiment of the machine the finishing unit comprises at least one double stacking tool.

Selon un mode de réalisation de la machine, elle comprend une unité de confection deux par deux de structures obturantes sous forme d'aplats comprenant une partie centrale de forme conjuguée à la forme de l'ouverture des corps tubulaires, entourée d'une partie périphérique rabattable suffisante pour assembler une structure obturante avec la paroi latérale interne d'un corps tubulaire, fonctionnant en mode cadencé pas à pas, et asservie à l'introduction d'une paire de structures obturantes dans deux outils de formage.According to one embodiment of the machine, it comprises a two-by-two assembly unit of shut-off structures in the form of solid areas comprising a central portion of shape conjugated to the shape of the opening of the tubular bodies, surrounded by a peripheral portion folding flap sufficient to assemble a shutter structure with the inner side wall of a tubular body, operating in step-by-step mode, and slaved to the introduction of a pair of shut-off structures in two forming tools.

Selon un mode de réalisation de la machine ladite unité de confection comprend

  • un dévidoir d'une bande d'un matériau cellulosique pouvant être revêtu d'au moins un matériau barrière et un dévidoir d'une bande d'un matériau formant une membrane de sécurité, la largeur des dites bandes étant suffisante pour loger transversalement deux structures obturantes,
  • optionnellement, un poste de mise en relief de zones prédéterminées de la bande de matériaux cellulosiques, en fonction du type de colle utilisée.
  • un poste d'encollage de la bande de matériaux cellulosiques,
    un poste de mise en contact et de pressage de la bande de membrane sur la bande de matériaux cellulosiques,
  • un poste de découpe de structures obturantes comprenant deux outils de découpe décalés longitudinalement, et
  • au moins un avance-bande synchronisant l'avance de la bande de matériau cellulosique avec l'avance de la bande de matériau de membrane, formant une bande composite, le dit avance-bande et les postes précités de l'unité de confection étant asservis au dit dispositif d'introduction.
According to one embodiment of the machine, said garment unit comprises
  • a reel of a strip of a cellulosic material that can be coated with at least one barrier material and a reel of a strip of a material forming a safety membrane, the width of said strips being sufficient to accommodate transversely two structures sealing bladders
  • optionally, a position of allocating predetermined areas of the band of cellulosic materials, depending on the type of glue used.
  • a sizing station of the band of cellulosic materials,
    a station for contacting and pressing the membrane strip on the strip of cellulosic materials,
  • a shuttering structure cutting station comprising two cutting tools longitudinally offset, and
  • at least one band advance synchronizing the advance of the band of cellulosic material with the advance of the band of membrane material, forming a composite band, said tape advance and the aforementioned stations of the garment unit being enslaved to said introductory device.

Selon un mode de réalisation de la machine ladite unité de confection comprend un dispositif extracteur de squelette de bande et en particulier un dispositif séparateur de squelette de bande en ses composantes.According to one embodiment of the machine, said garment unit comprises a skeleton extractor device of band and in particular a tape skeleton separator device in its components.

L'invention a également pour objet

  • un dispositif avance-bande pour une machine du type ci-dessus comprenant deux rouleaux d'entraînement de même diamètre et un servomoteur entraînant l'un des deux rouleaux, l'autre rouleau étant entraîné dans un rapport 1/1 par le premier rouleau.
  • un dispositif d'encollage pour une machine du type ci-dessus, comprenant une presse mettant en relief deux par deux des zones d'encollage, un porte-empreinte transférant un film de colle d'un réservoir sur lesdites zones d'encollage, un dispositif presseur comprenant un jeu de poinçons isolant les dites zones d'encollage et un presseur agencé entre les dits poinçons.
  • un dispositif d'introduction de structures obturantes pour une machine du type ci-dessus, présentant des moyens d'ajustement du pas de découpe de l'unité de confection des structures obturantes au pas des outils de formage d'un poste de scellage de l'unité de scellage comprenant un actionneur linéaire longitudinal et deux coulisseaux latéraux.
  • un outil de formage pour une machine du type ci-dessus, comprenant un tampon conique appuyant sur le centre d'une structure obturante pour chasser l'air entre le matériau cellulosique et le matériau de membrane vers la périphérie, le dit tampon conique étant isolé thermiquement de la partie chaude de l'outil de formage.
  • un tel outil de formage caractérisé en ce que la course de scellage du dit outil est ajustable.
  • un outil de prédécoupe pour une machine du type ci-dessus, ladite structure obturante étant le couvercle, comprenant un couteau de découpe circulaire et un mandrin de prédécoupe logeant un corps tubulaire, le dit couteau étant agencé par rapport au mandrin de façon à inciser le corps tubulaire en dessous de la surface de colle liant la membrane aux matériaux cellulosiques du couvercle et de façon à traverser toutes les couches du corps tubulaire et la membrane mais non le matériau cellulosique du couvercle, les vitesses de rotation du couteau et du mandrin étant ajustées de façon à synchroniser les vitesses tangentielles du couteau et du corps tubulaire.
  • un tel outil de prédécoupe, caractérisée en ce que le fils du couteau est altéré localement pour créer des points d'attache ou une charnière.
  • un tel outil de prédécoupe, comprenant un module de précontrainte appuyant sur le sommet de l'emballage.
The invention also relates to
  • an advance tape device for a machine of the above type comprising two drive rollers of the same diameter and a servomotor driving one of the two rollers, the other roll being driven in a 1/1 ratio by the first roll.
  • a sizing device for a machine of the above type, comprising a press embossing two by two sizing areas, a tray transferring a film of adhesive from a reservoir to said sizing areas, a pressing device comprising a set of punches isolating said sizing areas and a presser arranged between said punches.
  • a device for introducing closure structures for a machine of the above type, having means for adjusting the cutting pitch of the unit for making the sealing structures at the pitch of the forming tools of a sealing station of the sealing unit comprising a longitudinal linear actuator and two lateral slides.
  • a forming tool for a machine of the above type, comprising a conical pad pressing on the center of a sealing structure to expel air between the cellulosic material and the membrane material to the periphery, said conical pad being isolated thermally from the hot part of the forming tool.
  • such a forming tool characterized in that the sealing stroke of said tool is adjustable.
  • a precut tool for a machine of the above type, said shutter structure being the cover, comprising a circular cutting knife and a precut mandrel housing a tubular body, said knife being arranged with respect to the mandrel so as to incise the tubular body below the glue surface bonding the membrane to the materials cellulosic of the lid and so as to pass through all the layers of the tubular body and the membrane but not the cellulosic material of the lid, the rotational speeds of the knife and the mandrel being adjusted to synchronize the tangential speeds of the knife and the tubular body.
  • such a precut tool, characterized in that the son of the knife is locally altered to create attachment points or a hinge.
  • such a precut tool, comprising a prestressing module pressing on the top of the package.

D'autres caractéristiques et avantages de l'invention apparaîtront à l'homme du métier de la description ci-dessous d'un mode d'exécution d'une machine selon l'invention ainsi que de modes d'exécution de certaines de ses composantes un, en se référant aux dessins, dans lesquels

  • la figure 1 est une vue schématique de l'ensemble d'une machine,
  • la figure 2 est une vue schématique d'une unité de confection de la machine de la figure 1,
  • la figure 3 est une vue schématique de la partie amont de l'unité de confection de la figure 2,
  • la figure 4 est une vue en perspective d'un dispositif avance-bande,
  • les figures 5 et 6 sont des vues schématiques illustrant la progression de la bande des figures précédentes au niveau de la découpe de cette bande et en aval de celle-ci,
  • la figure 7 est une vue schématique illustrant le traitement du squelette de la bande après découpe selon la figure 6,
  • les figures 8 et 9 sont des vues schématiques illustrant deux configurations du dispositif d'introduction des structures obturantes dans l'unité de scellage,
  • la figure 10 est une vue schématique en coupe d'un tampon de scellage,
  • la figure 11 est une vue schématique illustrant l'ajustement de la course de l'outil de formage,
  • la figure 12 est une vue schématique en coupe illustrant un outil de prédécoupe.
Other features and advantages of the invention will become apparent to those skilled in the art from the description below of an embodiment of a machine according to the invention as well as embodiments of some of its components. a, with reference to the drawings, in which
  • the figure 1 is a schematic view of the whole machine,
  • the figure 2 is a schematic view of a machine making unit of the figure 1 ,
  • the figure 3 is a schematic view of the upstream part of the garment unit of the figure 2 ,
  • the figure 4 is a perspective view of an advance-tape device,
  • the figures 5 and 6 are schematic views illustrating the progression of the band of the preceding figures at the cutting of this strip and downstream thereof,
  • the figure 7 is a schematic view illustrating the treatment of the skeleton of the strip after cutting according to the figure 6 ,
  • the figures 8 and 9 are schematic views illustrating two configurations of the device for introducing the sealing structures into the sealing unit,
  • the figure 10 is a schematic sectional view of a sealing pad,
  • the figure 11 is a schematic view illustrating the adjustment of the stroke of the forming tool,
  • the figure 12 is a schematic sectional view illustrating a precut tool.

Le mode d'exécution décrit ci-dessous est une machine assemblant des corps tubulaires de section ronde à des couvercles ronds pour former des emballages disposant d'une membrane de sécurité. L'homme du métier est en mesure d'en adapter les caractéristiques pour réaliser des modes d'exécution traitant des corps tubulaires de sections parallélépipédiques, oblongues, ovoïdes, ou d'autres formes ainsi que des modes d'exécutions mettant en oeuvre d'autres types de structures obturantes. On peut également observer que les corps peuvent être traités de façon horizontale ou verticale selon la configuration machine choisie.The embodiment described below is a machine assembling tubular bodies of round section to round lids to form packages having a safety membrane. Those skilled in the art are able to adapt their characteristics to realize embodiments of tubular bodies of parallelepipedal, oblong, ovoid, or other shapes and modes of execution using other types of shutter structures. It can also be observed that the bodies can be treated horizontally or vertically according to the chosen machine configuration.

La machine 1 illustrée par la figure 1 se compose de 3 unités principales :

  • L'unité de scellage 2 scelle les structures obturantes, c'est-à-dire des couvercles, dans des tubes rigides arrivant d'une machine de fabrication de corps tubulaires via un dispositif d'alimentation 5. Les corps sont introduits deux par deux dans un plateau tournant 3 à huit postes 4, chaque poste étant composé de deux outils de formage et de scellage 7. Les corps sont introduits dans chaque outil 7. Ce plateau 3 tourne de manière discontinue et cadencée via un indexeur à 8 stops. Les couvercles, sous forme d'aplats préalablement découpés depuis une bande, comme décrit ci-dessous, sont transférés dans les outils de scellage 7 par un dispositif d'introduction 6. Ces couvercles sont ensuite formés à travers une matrice 8 créant une jupe verticale, puis insérés dans un corps tubulaire par un tampon de scellage 9. Les boîtes ainsi obtenues, corps tubulaire + couvercle, restent dans le plateau avec le tampon de thermoscellage en position basse pendant un ou plusieurs indexages du plateau. Les tampons sortent ensuite des boites et les boîtes ainsi créées sont éjectées du plateau de scellage et amenées par un dispositif de transfert 14 à une unité de finition.
  • L'unité de finition 10 termine le couvercle cartonné de la boite. Les corps tubulaire avec les structures obturantes scellées sont introduits dans un plateau tournant 11 à huit postes 12. Ce plateau tourne de manière discontinue et cadencée via un indexeur à huit stops. Chaque poste est composé de deux modules de finition. 13. Les corps tubulaires sont introduits deux par deux dans chaque module de finition. A une ou plusieurs étapes d'un poste 12, les deux boites en cours de finition sont présentées à un outil double de finition 14 qui effectue une opération spécifique de manière simultanée sur chacune des deux boites. Jusqu'à huit opérations de finition sont possibles, par exemple une prédécoupe pour faciliter l'ouverture, un ourlage, ou encore un gerbage. Les boites sont ensuite éjectées sur un convoyeur 30 deux par deux. Ce convoyeur aboutit à la mise en palette des boites.
  • Une unité de confection 15, illustrée dans son ensemble par la figure 2, confectionne à plat les couvercles par assemblage d'une bande de matériau cellulosique 16, en général du carton, le plus souvent imprimée, mais pas toujours, et d'une bande de membrane 17, qui peut avoir une structure complexe. La confection des couvercles à plat deux par deux est réalisée en utilisant une bobine de carton imprimée à 2 pistes. Ceci entraîne un gain de coût sur le matériau des couvercles de l'ordre de 10 à 15 % par rapport à une bobine simple imprimée car les bobines mères imprimées à deux pistes sont moins reprises en recoupe.
The machine 1 illustrated by the figure 1 consists of 3 main units:
  • The sealing unit 2 seals the sealing structures, i.e. lids, in rigid tubes arriving from a tubular body making machine via a feed device 5. The bodies are introduced two by two in a turntable 3 to eight stations 4, each station being composed of two forming tools and sealing 7. The bodies are introduced into each tool 7. This plate 3 rotates discontinuously and clocked via an indexer with 8 stops. The covers, in the form of flat areas previously cut from a strip, as described below, are transferred into the sealing tools 7 by an insertion device 6. These covers are then formed through a matrix 8 creating a vertical skirt , then inserted into a tubular body by a sealing pad 9. The boxes thus obtained, tubular body + lid, remain in the tray with the heat-sealing pad in the low position during one or more indexings of the tray. The pads then leave the boxes and the boxes thus created are ejected from the sealing tray and brought by a transfer device 14 to a finishing unit.
  • The finishing unit 10 completes the cardboard lid of the box. The tubular bodies with the sealed closure structures are introduced into a turntable 11 at eight stations 12. This turntable rotates discontinuously and clocked via an indexer with eight stops. Each station is composed of two finishing modules. 13. The tubular bodies are introduced two by two in each finishing module. At one or more stages of a station 12, the two boxes being finished are presented to a double finishing tool 14 which performs a specific operation simultaneously on each of the two boxes. Up to eight finishing operations are possible, such as a precut to facilitate opening, hemming or stacking. The boxes are then ejected on a conveyor 30 two by two. This conveyor results in the palletization of the boxes.
  • A clothing unit 15, illustrated as a whole by the figure 2 , making the covers flat by assembling a strip of cellulosic material 16, generally cardboard, most often printed, but not always, and a membrane strip 17, which may have a complex structure. The making of the lids flat two by two is performed using a printed coil of cardboard 2 tracks. This results in a cost saving on the material of the lids of the order of 10 to 15% compared to a single printed coil because the two-track printed master coils are minus overlapped.

La bande imprimée a un pas constant marqué par des spots 18, car l'impression des couvercles est calée par rapport aux spots. Cette bande est tractée par plusieurs dispositifs avance-bande 19 à rouleaux motorisés qui sont asservis à chaque lecture d'un spot par un lecteur 20. Ce dispositif tracte également la bande de membrane 17 qui est alors synchronisée sur l'avance du couvercle. Des opérations sont effectuées à chaque arrêt sur la bande de matériaux cellulosiques 16, la bande de membrane 17 et la bande composite 21 qui résulte de leur assemblage dans un dispositif d'assemblage 22 dont un mode d'exécution est décrit ci-dessous. Cette bande passe ensuite dans un poste de découpe pour y être découpée en couvercles.The printed band has a constant pitch marked by spots 18, since the printing of the covers is wedged relative to the spots. This strip is towed by several advance-band devices 19 motorized rollers which are slaved to each reading of a spot by a reader 20. This device also tracts the membrane strip 17 which is then synchronized on the advance of the lid. Operations are performed at each stop on the strip of cellulosic material 16, the membrane strip 17 and the composite strip 21 which results from their assembly in an assembly device 22, an embodiment of which is described below. This band then passes into a cutting station to be cut into lids.

Outre la découpe des couvercles, cette unité de confection peut réaliser des opérations multiples sur des bandes de carton ou autre, et ce de manière aisée car réalisées à plat. Il est ainsi possible de réaliser des grilles de poudrage en carton à partir d'une membrane en carton, d'ajouter des impressions sur les deux faces d'une bande, de disposer des composants supplémentaires sur un couvercle tel qu'un bec verseur, un bouchon, etc. En amont de l'assemblage, des opérations non illustrées sur les figures ont pu être réalisées sur la bande membrane, qui peut être un film simple ou complexe, une bande de carton simple ou complexe. Ces opérations peuvent par exemple être: la découpe et le retournement d'une languette, des trous pour une grille saupoudreuse, obturés ou non, l'ajout d'un document imprimé, la mise en place d'un bec verseur ou d'un bouchon plastique, ... De telles opérations sont aussi possibles sur la bande de couvercle. L'avance des deux bandes étant synchronisée, la précision des opérations est assurée.In addition to cutting the covers, this garment unit can perform multiple operations on strips of cardboard or other, and this easily because carried out flat. It is thus possible to produce cardboard powder coating grids from a cardboard membrane, to add impressions on both sides of a strip, to have additional components on a lid such as a spout, a plug, etc. Upstream of the assembly, operations not illustrated in the figures could be performed on the membrane strip, which can be a simple or complex film, a simple or complex cardboard strip. These operations may for example be: cutting and flipping a tongue, holes for a dusting grid, closed or not, the addition of a printed document, the establishment of a spout or a plastic cap, ... Such operations are also possible on the cover band. The advance of the two bands being synchronized, the precision of the operations is ensured.

L'homme du métier prendra connaissance avec intérêt de modes d'exécution particuliers de certaines étapes du procédé selon l'invention et de modes de réalisation de certains postes de travail de la machine selon l'invention, décrits ci-après.Those skilled in the art will be aware with interest of particular embodiments of certain steps of the method according to the invention and embodiments of certain workstations of the machine according to the invention, described below.

Fabrication des couvercles à plat à la demande.Manufacture of lids flat on demand.

L'assemblage de la bande en carton 16 avec la bande de membrane 17 par encollage pour former une bande composite 21, illustré par les figures 2 et 3, est effectué de manière discontinue mais cadencée pas à pas dans la zone amont de l'unité de confection 15. Les pas sont soit déterminés par des spots imprimés ou par l'avance bande lui-même via un codeur. La découpe de la bande composite en couvercles individuels est illustrée par la figure 5. L'avance d'un couvercle à un premier poste de scellage 4 entraîne une demande de séquence d'assemblage d'un pas de bande en carton 16 avec une membrane. Ainsi, l'intervalle de temps entre la fabrication de la structure du couvercle à plat et le formage du couvercle dans l'unité de scellage peut être maitrisé. Ceci est avantageux pour l'étape de formage/scellage du couvercle, car la colle liant la membrane au couvercle n'a pas assez de temps pour complètement sécher. Ainsi, lors du formage du couvercle dans les outils de scellage 7 réalisant le passage d'une découpe plane à un couvercle formé avec jupe verticale, la membrane peut glisser relativement au couvercle. Ceci permet d'une part d'éliminer la présence d'air entre couvercle et membrane et d'autre part, de limiter les contraintes de formage sur les matériaux. En effet, s'il y avait trop d'air entre le couvercle et la membrane, la température des tampons de scellage dilaterait l'air présent entre le couvercle et la membrane de sorte qu'en sortie de la machine, le couvercle serait gonflé et la boite non conforme au cahier des charges. La limitation des contraintes de formage entre couvercle et membrane permet également de limiter la présence de plis, susceptibles d'entraîner une non étanchéité du scellage et de limiter l'étirement et donc la fragilisation, voire la rupture, des films complexes de type PE, OPP, PET, aluminium... formant la barrière de l'emballage vis-à-vis de l'humidité, de l'air. La limitation des contraintes de formage limite aussi la déformation d'une éventuelle languette et de sa découpe située sur la partie verticale de la jupe après le formage du couvercleThe assembly of the cardboard strip 16 with the membrane strip 17 by gluing to form a composite strip 21, illustrated by the figures 2 and 3 , is performed discontinuously but stepped step by step in the upstream zone of the garment unit 15. The steps are either determined by printed spots or by the advance tape itself via an encoder. The cutting of the composite strip into individual lids is illustrated by the figure 5 . The advance of a cover at a first sealing station 4 causes a request for an assembly sequence of a cardboard web step 16 with a membrane. Thus, the time interval between the manufacture of the flat cover structure and the forming of the cover in the sealing unit can be mastered. This is advantageous for the forming / sealing step of the lid, since the adhesive bonding the membrane to the lid does not have enough time to completely dry. Thus, during the forming of the lid in the sealing tools 7 making the passage from a flat cut to a lid formed with vertical skirt, the membrane can slide relative to the lid. This makes it possible on the one hand to eliminate the presence of air between the cover and the membrane and, on the other hand, to limit the forming stresses on the materials. Indeed, if there was too much air between the lid and the membrane, the temperature of the sealing pads would dilate the air present between the lid and the membrane so that at the outlet of the machine, the lid would be inflated and the box not in accordance with the specifications. The limitation of the forming stresses between the cover and the membrane also makes it possible to limit the presence of folds, likely to cause non-sealing of the seal and to limit the stretching and thus the embrittlement, or even rupture, of the PE-type complex films. OPP, PET, aluminum ... forming the barrier of the packaging vis-à-vis moisture, air. The limitation of the forming stresses also limits the deformation of a possible tongue and its cut on the vertical part of the skirt after forming the lid

Pour des raisons de souplesse, la liaison du dispositif d'assemblage au poste de découpe des couvercles inclue un brin mou 23. La bande composite réalisée peut alors être continue et sans tension entre l'assemblage et la découpe du couvercle, les deux postes sont mécaniquement indépendants.For reasons of flexibility, the connection of the assembly device to the cutting station covers includes a soft strand 23. The composite strip produced can then be continuous and without tension between the assembly and the cutting of the cover, the two positions are mechanically independent.

La maîtrise du séchage de la colle est contrôlée par plusieurs facteurs. Ces facteurs sont le temps de prise de la colle, les colles à base d'eau ayant des temps de séchage compris entre 20 secondes et trois minutes, la distance entre le poste de collage couvercle/membrane et la cadence de la machine. En cas d'arrêt prolongé de la machine, les couvercles présents entre le poste de collage et le formage peuvent être purgés de manière automatique ou manuelle.The control of the drying of the glue is controlled by several factors. These factors are the setting time of the glue, the water-based glues having drying times between 20 seconds and three minutes, the distance between the cover / membrane glue station and the machine speed. In the event of prolonged machine shutdown, the covers between the gluing station and the forming machine can be purged automatically or manually.

De plus, le composite 21 est fabriqué directement sur la machine, donc pas de stockage du produit fini, consommation à la demande donc pas de gâche, pas de machine spéciale pour faire ce travail, donc, globalement, un gain de coût.In addition, the composite 21 is manufactured directly on the machine, so no storage of the finished product, consumption on demand so no waste, no special machine to do this work, so, overall, a cost saving.

Si la distance entre le collage des couvercles et le formage des couvercles est très importante et qu'un séchage de la colle est inévitable, il est possible d'utiliser des colles à réversibilité thermique. Dans ce cas, la liaison entre le couvercle et la membrane sera momentanément limitée ou réduite par la chaleur du tampon de formage du couvercle.If the distance between the gluing of the lids and the forming of the lids is very important and glue drying is unavoidable, it is possible to use glues with thermal reversibility. In this case, the connection between the lid and the membrane will be momentarily limited or reduced by the heat of the lid forming pad.

Ce mode de confection de couvercles à deux composantes est également utilisable pour la fabrication de fonds. En effet, pour des raisons économiques ou techniques, il peut être judicieux de réaliser un complexage de carton et de matériaux barrière/scellant pour un fonds en utilisant la même méthode. Un fond peut alors être créé en ligne avec divers matériaux. On profite alors de l'avantage de la limitation des contraintes mécaniques décrite ci-dessus pour améliorer l'étanchéité des boites.This method of making two-component lids can also be used for making funds. Indeed, for economic or technical reasons, it may be advisable to laminate cardboard and barrier / sealant materials for a fund using the same method. A background can then be created online with various materials. It then takes advantage of the limitation of mechanical stresses described above to improve the sealing of the boxes.

Système d'encollage de précision de la bande de membrane sur la bande de carton.Precision gluing system of the membrane strip on the cardboard strip.

Comme le montrent les figures 2 et 3, la bande de carton 16 est tractée par un dispositif de rouleaux motorisés avance bande 19. Ce dispositif entraîne à la fois la bande de carton 16 et celle de la membrane 17. Les deux bandes sont alors synchronisées en avance. Pour réaliser un couvercle, il faut lier les deux bandes par un collage.
Pour appliquer la colle avec une grande précision et une grande fiabilité, le mode d'exécution illustré par la figure 3 est exécuté en plusieurs étapes.
La première étape, optionnelle, consiste à réaliser une mise en relief 24 de la bande de carton par une presse pneumatique, hydraulique ou électrique. La partie centrale reste plane, mais la zone de dépose de la colle est légèrement surélevée. Ainsi, quand on dépose le film de colle, celui-ci est localisé au-dessus de la partie centrale. Quand couvercle et membrane vont être rassemblés par l'avance, la colle ne va pas frotter la membrane et s'étaler vers le centre.As shown by figures 2 and 3 , the cardboard strip 16 is towed by a motorized advance roller device band 19. This device drives both the cardboard strip 16 and that of the membrane 17. The two strips are then synchronized in advanced. To make a lid, you must bind the two strips by gluing.
To apply the glue with great precision and reliability, the method of execution illustrated by the figure 3 is executed in several steps.
The first step, optional, consists of embossing the cardboard strip 24 by a pneumatic, hydraulic or electric press. The central portion remains flat, but the area of removal of the glue is slightly raised. Thus, when the adhesive film is deposited, it is located above the central portion. When the lid and membrane are collected in advance, the glue will not rub the membrane and spread towards the center.

Un film de colle d'épaisseur 0.2 à 0.5 mm est déposé sur la partie intérieure de la bande de couvercle/carton opposée à l'impression par deux empreintes 25, une pour chaque piste de la bande, via un mouvement de translation faisant passer les empreintes 25 d'un bac de colle 26 jusqu'au contact avec la bande de carton. Ce mouvement est assuré par un vérin pneumatique électrique, hydraulique ou par la transformation d'un mouvement de rotation, bielle/manivelle par exemple. Chaque empreinte retourne ensuite dans le bac à colle pour se recharger de colle. La forme du film de colle ainsi déposé est la même que l'empreinte. Pour une boite ronde, la forme de l'empreinte est un anneau avec des diamètres respectivement légèrement supérieur au diamètre intérieur de la boite et légèrement supérieur au diamètre de découpe du couvercle.An adhesive film having a thickness of 0.2 to 0.5 mm is deposited on the inner part of the cover / cardboard strip opposite the impression by two impressions 25, one for each strip of the strip, via a translational movement passing the impressions of a glue container 26 until contact with the cardboard strip. This movement is provided by an electric pneumatic jack, hydraulic or by the transformation of a rotational movement, connecting rod / crank for example. Each fingerprint then returns to the glue box to reload glue. The shape of the glue film thus deposited is the same as the impression. For a round box, the shape of the impression is a ring with diameters respectively slightly greater than the inside diameter of the box and slightly greater than the cutout diameter of the lid.

La pose de la colle doit être effectuée avec une grande précision. D'une part pour que la membrane et le couvercle restent parfaitement liés lors de la découpe, d'autre part pour que la colle ne se disperse pas vers l'intérieur de couvercle. La colle doit aussi être présente à l'extérieur de la découpe du couvercle pour lier la bande membrane à la bande couvercle du squelette de découpe, pour faciliter le fonctionnement du dispositif d'extraction du squelette. Cependant, s'il est indispensable d'avoir de la colle à l'extérieur de la découpe, il faut aussi éviter que la colle ne se disperse trop vers l'extérieur de la bande. En effet, la largeur de la bande étant optimisée pour limiter les coûts, la distance entre la colle et les extrémités des bandes est très faible. Si la colle venait à déborder sur les flancs du composite couvercle/membrane, les éléments en contact avec la bande composite seraient rapidement pollués par la colle (avance-bande pour le collage, la découpe, l'extraction ainsi que les éléments de guidage, poinçon matrice de découpe et outil de formage/scellage). Ceci peut provoquer des arrêts de production ainsi que des réclamations des utilisateursGlue application should be done with great precision. On the one hand for the membrane and the lid remain perfectly bonded during cutting, on the other hand so that the glue does not disperse to the inside of the lid. The glue must also be present outside the cover cutout to bond the membrane strip to the cutter skirt cover strip, to facilitate the operation of the skeleton extraction device. However, if he is essential to have glue on the outside of the cut, it is also necessary to prevent the glue from dispersing too much towards the outside of the band. Indeed, the width of the strip being optimized to limit costs, the distance between the glue and the ends of the strips is very small. If the glue were to overflow on the sides of the composite cover / membrane, the elements in contact with the composite strip would be quickly polluted by the glue (advance tape for gluing, cutting, extraction as well as the guide elements, cutting die punch and forming / sealing tool). This can cause production stoppages as well as user complaints

C'est au pas suivant que la bande de membrane vient au contact de la bande de carton et qu'elle est liée au futur couvercle avec la colle par un système de presseurs. A ce moment-là, un composite couvercle/membrane est créé. Pour lier le composite, c'est-à-dire pour que la membrane et le couvercle soient suffisamment liés, il faut exercer une pression sur le couvercle sur la zone préalablement encollée. Pour éviter les dispersions de colle vers le centre du couvercle, un poinçon 27 très fin vient en premier lieu isoler la partie intérieure du couvercle à un diamètre légèrement inférieur au diamètre de l'empreinte de colle par pression sur les bandes de couvercle et membrane. Un autre poinçon 28 vient ensuite jouer le même rôle pour la partie extérieure du couvercle avec un diamètre légèrement supérieur au diamètre de l'empreinte de colle. Un presseur 29 situé entre les deux poinçons 27,28 peut ensuite comprimer la colle pour lier les deux bandes. La colle s'étale uniquement entre les deux poinçons.It is at the next step that the membrane strip comes into contact with the cardboard strip and is bonded to the future lid with the glue by a system of pressers. At this time, a cover / membrane composite is created. To bind the composite, that is to say that the membrane and the lid are sufficiently bonded, it is necessary to exert pressure on the lid on the previously glued area. In order to prevent glue dispersions towards the center of the lid, a very fine punch 27 firstly isolates the inner part of the lid at a diameter slightly smaller than the diameter of the adhesive impression by pressure on the cover and membrane strips. Another punch 28 then comes to play the same role for the outer part of the lid with a diameter slightly greater than the diameter of the glue cavity. A presser 29 located between the two punches 27,28 can then compress the glue to bind the two strips. The glue spreads only between the two punches.

Pour une bonne gestion du cycle d'encollage, l'encollage doit être suivi d'une avance d'un pas de la bande, le presseur étant agencé un pas après la dépose de la colle. Ainsi, chaque fois que la colle est déposée sur la bande, la membrane et le couvercle sont liés immédiatement par le presseur. En cas d'arrêt de production, la colle ne peut donc pas sécher sur la bande de carton et ainsi rendre la liaison entre le couvercle et la membrane impossible ni ajouter une surépaisseur au composite couvercle/membrane constituée par un film de colle pas encore comprimé par le presseur et donc en relief. Ceci assure une production à la demande et en ligne des structures obturantes couvercle/membrane.For good management of the gluing cycle, the gluing must be followed by an advance of one step of the band, the pressure being arranged one step after removal of the glue. Thus, each time the glue is deposited on the strip, the membrane and the lid are immediately bonded by the presser. In case of production stoppage, the glue can not be dried on the cardboard strip and thus make the connection between the cover and the membrane impossible and add an extra thickness to the composite cover / membrane consists of a film of glue not yet compressed by the presser and therefore raised. This ensures on-demand and on-line production of the lid / membrane sealing structures.

Ce procédé d'encollage est applicable à la confection de fonds. Toutefois dans ce cas, l'étape de mise en relief du couvercle n'est pas nécessaire car il n'y aura pas de séparation du complexe à postériori. Dans le cas où la partie carton du fond n'est pas imprimée, l'arrêt de l'avance n'est plus faite par la lecture d'un spot imprimé, mais par une avance pas à pas. On procède alors, sur la bande en carton, à la perforation d'un trou. Ce trou est relatif au positionnement de la bande sur l'unité de confection par rapport à l'encollage et aux autres opérations. Ce trou est ensuite utilisé comme un spot pour piloter l'arrêt de l'avance-bande de découpe. Il est alors possible d'utiliser des cartons non imprimés et donc moins chers tout en ayant la fonction de séparation des postes d'unité couvercle/fond et de découpe du couvercle/fond.This sizing process is applicable to the making of funds. However, in this case, the relief step of the lid is not necessary because there will be no separation of the complex a posteriori. In the case where the cardboard part of the bottom is not printed, stopping the advance is no longer made by reading a printed spot, but by a step advance. We then proceed, on the cardboard tape, to the perforation of a hole. This hole is relative to the positioning of the band on the garment unit with respect to gluing and other operations. This hole is then used as a spot to drive the stop of the advance-cutting strip. It is then possible to use unprinted boxes and therefore less expensive while having the function of separating the lid / bottom unit and cutting the lid / bottom.

Dispositifs d'entraînement de précision pour l'entrainement pas à pas des bandes dans l'unité de confection des couvercles, la découpe du couvercle et extraction du squelette.Precision drive devices for step-by-step training of the strips in the lidding unit, lid cutting and skeleton extraction.

Ce dispositif d'avance bande illustré par la figure 4 utilise un mécanisme composé de deux rouleaux d'entrainement de même diamètre. Un servomoteur 34 actionne un des deux rouleaux 31, le rouleau non motorisé 32 est entraîné par le rouleau motorisé 31 via un pignon 33 ou une courroie. Les deux rouleaux sont alors entrainés de manière parfaitement synchronisée ce qui améliore la précision de chaque avance, notamment à l'arrêt de l'avance sur le spot imprimé. Cette précision permet de respecter parfaitement le centrage des bandes par rapport aux spots lors des différentes opérations réalisées sur un couvercle, une membrane ou un fond.This tape feed device illustrated by the figure 4 uses a mechanism consisting of two drive rollers of the same diameter. A servomotor 34 actuates one of the two rollers 31, the non-motorized roller 32 is driven by the motorized roller 31 via a pinion 33 or a belt. The two rollers are then driven in a perfectly synchronized manner which improves the accuracy of each advance, especially when stopping the advance on the printed spot. This precision makes it possible to perfectly respect the centering of the strips with respect to the spots during the various operations performed on a cover, a membrane or a bottom.

-Découpe des couvercles en décalé.-Découpe lids in staggered.

L'objectif est d'utiliser une bande de couvercle imprimée à double pistes, optimisée en largeur et en pas, limitant ainsi la quantité de matière non directement utilisée dans la fabrication de l'emballage. Ce pas de découpe est imposé par une variable économique. En effet, pour optimiser le coût des bandes de carton, et autres partie du composite, les distances entre couvercles voisins ainsi que la laize de la bande doivent être réduits au maximum, la surface du squelette de découpe n'étant pas valorisée dans le produit fini. Le pas peut également être imposé par les machines d'impression des fournisseurs. L'angle de découpe en décalée est alors fonction du pas des spots et de la largeur des bandes utilisées. Avec cette méthode de découpe de deux couvercles 35,36 décalés d'un pas Pb de la bande, on obtient un pas de découpe Pd de l'ordre de grandeur de environ 1.4*Pb, de sorte qu'on a plus d'espace pour placer les outils liés à la découpe et au transfert du couvercle.
Les outils de découpe sont en soi connus de l'homme du métier. On notera que les poinçons de matrice des outils de découpe peuvent déborder latéralement de la bande composite.The aim is to use a double track printed lid tape, optimized in width and pitch, thus limiting the amount of material not directly used in the packaging. This cutting step is imposed by an economic variable. Indeed, to optimize the cost of the cardboard strips, and other parts of the composite, the distances between adjacent covers and the width of the strip must be reduced to the maximum, the surface of the cutting skeleton not being valued in the product. finished. The step can also be imposed by the printing machines of the suppliers. The offset cutting angle is then a function of the pitch of the spots and the width of the strips used. With this method of cutting two lids 35,36 offset by a pitch Pb of the strip, a cutting pitch Pd of the order of magnitude of about 1.4 * Pb is obtained, so that more space is available. to place tools related to cutting and transferring the lid.
Cutting tools are in themselves known to those skilled in the art. It should be noted that the die punches of the cutting tools may protrude laterally from the composite strip.

Système de transfert à variation de pas des couvercles découpés vers les outils de formage/scellageVariation transfer system for lids cut to the forming / sealing tools

Une fois découpés, les couvercles ou fonds doivent être transférés dans les outils de scellage du couvercle (ou fond). Or, le pas des outils de scellage Po n'est pas forcément le même que le pas de découpe Pd, par le fait que pour des raisons de flexibilité des opérations, les changements de format (diamètre ou forme) doivent être rapides et à coût d'outillage limité. Le pas des outils Po est de ce fait la résultante d'une optimisation pour un panel de formats. Cette différence entre le pas de découpe Pd et le pas constant des outils Po impose une solution de mise au pas Po par le système de transfert, des couvercles une fois découpés
Les figures 8 et 9 illustrent deux cas où respectivement Pd<Po et Pd>Po. Le mouvement de ce dispositif de transfert est assuré par un actionneur linéaire 37, pneumatique, électrique ou autre, assurant un mouvement rectiligne. L'angle de transfert est réalisé par le mouvement des deux coulisseaux de transfert 38, qui eux, ont un déplacement transversal. Ainsi, en cas de changement de format, il faut simplement changer le bloc de découpe en quinconce et de transfert à pas variable (fixation rapide), la variable d'ajustement au changement de format, et donc cet angle de transfert. Pour pallier les éventuelles imprécisions de position du couvercle sur un coulisseau de transfert, celui-ci est équipé d'une lamelle sous vide 39. Cette lamelle va jouer un double rôle. Le premier est de maintenir le couvercle sur le système de transfert, c'est-à-dire le coulisseau. Le second est de laisser la possibilité au couvercle de se déplacer légèrement quand le couvercle rentre dans l'outil de formage scellage. Ainsi, le couvercle peut se centrer librement dans l'outil de formage scellage (autocentrage).Once cut, the lids or bottoms must be transferred into the sealing tools of the lid (or bottom). However, the pitch of the sealing tools Po is not necessarily the same as the cutting step Pd, in that for reasons of flexibility of operations, changes in format (diameter or shape) must be rapid and costly. limited tooling. The step of the Po tools is therefore the result of an optimization for a panel of formats. This difference between the cutting pitch Pd and the constant pitch of the tools Po imposes a solution of pitch Po by the transfer system, lids once cut
The figures 8 and 9 illustrate two cases where respectively Pd <Po and Pd> Po. The movement of this transfer device is provided by a linear actuator 37, pneumatic, electrical or other, ensuring a rectilinear movement. The transfer angle is achieved by the movement of the two transfer slides 38, which themselves have a transverse displacement. Thus, in the case of a change in format, it is simply necessary to change the cutting block staggered and transfer variable pitch (quick fixing), the adjustment variable to the change of format, and therefore this transfer angle. To overcome any inaccuracies in the position of the lid on a transfer slide, it is equipped with a vacuum lamella 39. This slide will play a dual role. The first is to keep the lid on the transfer system, that is to say the slide. The second is to allow the lid to move slightly when the lid enters the sealing forming tool. Thus, the lid can be freely centered in the sealing forming tool (self-centering).

Exemple : la machine est optimisée pour traiter des boites de 30 à 125 mm de diamètre ainsi que d'autres formes non rondes mais à périmètres équivalents. Le pas de découpe est de 141.42 mm (2 diamètres 90 découpés), le pas des outils de formage/scellage du couvercle (ou fond) est de 132 mm et la distance entre le point de découpe et le centre de l'outil de formage/scellage est de 200 mm. Le dispositif de transfert doit alors avoir un angle de transfert de 2.7° pour effectuer cette transition. Example : the machine is optimized to handle boxes of 30 to 125 mm in diameter as well as other non-round shapes but with equivalent perimeters. The cutting pitch is 141.42 mm (2 diameters 90 cut), the pitch of the forming / sealing tools of the cover (or bottom) is 132 mm and the distance between the cutting point and the center of the forming tool / sealing is 200 mm. The transfer device must then have a transfer angle of 2.7 ° to effect this transition.

Système de sortie du squelette de découpe.Cutting skeleton output system.

Ce système compact permet de fiabiliser la sortie du squelette de bande en tirant dessus avec un dispositif de traction par rouleaux 19 tel que décrit ci-dessus, agencé en aval de la découpe, reproduisant instantanément le mouvement de l'avance bande 19 de la bande composite en amont de la découpe. Ceci permet de sortir le squelette du poste de découpe de manière fiable, et ce, même si pour des raisons de place, la trajectoire de sortie du squelette, dont la figure 6 illustre deux variantes, est complexe, et d'améliorer la précision de positionnement des couvercles, ou des fonds, sous le poste de découpe. Cette amélioration de la précision est due au fait que la bande reste tendue sous le poste de découpe. On évite ainsi la formation de vague(s) à l'avant de l'avance-bande en amont de la découpe des couvercles, situé relativement loin derrière la position de découpe à cause du système de découpe en diagonale. Pour assurer une tension suffisante sans pour autant casser le squelette fragile de la bande, celle-ci est retendue par l'avance-bande d'extraction du squelette après l'exécution de chaque avance et avant chaque découpe. Ce mouvement de tension est important car le rendement global entre les deux avances-bandes ainsi que le parcours de la bande de squelette est soumis à un rendement variable, dû au coefficient de frottement variable, à la tolérance d'usinage entre les 2 avances bandes, etc... Cette fonction est assurée par une micro avance calibrée par le servomoteur d'extraction. L'arrêt de cette micro avance est piloté par un couple constant ou une temporisation.This compact system makes it possible to make the exit of the web skeleton more reliable by pulling on it with a roller traction device 19 as described above, arranged downstream of the cut-out, instantly reproducing the movement of the strip advance 19 of the strip. composite upstream of the cut. This makes it possible to release the skeleton of the cutting station reliably, even if for reasons of space, the exit trajectory of the skeleton, whose figure 6 illustrates two variants, is complex, and improve the positioning accuracy of the lids, or funds, under the cutting station. This improvement in accuracy is due to the fact that the band remains stretched under the cutting station. This avoids the formation of wave (s) at the front of the feed-band upstream of the cutting of the covers, located relatively far behind the cutting position because of the diagonal cutting system. To ensure sufficient tension without breaking the fragile skeleton of the strip, it is retensioned by the advance-stripping strip of the skeleton after the execution of each advance and before each cut. This tensioning movement is important because the overall yield between the two feeders and the path of the skeleton strip is subject to a variable yield, due to the variable coefficient of friction, to the machining tolerance between the 2 feeders strips. , etc. ... This function is provided by a micro advance calibrated by the extraction servomotor. Stopping this micro forward is controlled by a constant torque or a delay.

Dispositif de séparation des couches du squeletteSkeletal layer separation device

Le squelette issu de la découpe du couvercle est, comme précédemment décrit, un composite. Dans certains cas, l'une ou l'autre partie de ce composite peut être composée de matériaux "nobles", pure cellulose ou aluminium par exemple. Pour la valorisation des déchets, il peut être rentable de séparer les matériaux fortement valorisés des éléments moins valorisés. Pour ce faire, la machine peut être équipée d'un séparateur bande de matériaux cellulosiques/bande de membrane après extraction. On ajoute un avance-bande 19' après celui d'extraction 19 du squelette, fonctionnant selon le même principe. Un dispositif de séparation des bandes 40 illustré schématiquement sur la figure 7 est placé entre ces deux avances bandes. Seule l'une des deux bandes est tractée par le dernier avance-bande 19' . Les bandes sont ainsi séparées, la maîtrise de l'encollage du couvercle permettant une séparation aisée. Chaque élément est alors récupéré dans différents containers.The skeleton resulting from the cutting of the lid is, as previously described, a composite. In some cases, one or the other part of this composite may be composed of "noble" materials, pure cellulose or aluminum, for example. For the recovery of waste, it can be profitable to separate highly valued materials from less valued items. To do this, the machine can be equipped with a band separator of cellulosic materials / membrane strip after extraction. A tape feed 19 'is added after that of extraction 19 of the skeleton, operating according to the same principle. A strip separation device 40 schematically illustrated on the figure 7 is placed between these two strip advances. Only one of the two bands is towed by the last band advance 19 '. The strips are thus separated, the control of the gluing of the lid allowing easy separation. Each element is then recovered in different containers.

Tampon de formage/scellageForming / sealing buffer

Il est avantageux d'évacuer l'air situé entre les couches formant le composite couvercle/membrane. Les tampons de formage/scellage selon l'invention ont une conception favorisant cela, illustrée sur la figure 10. Une interface conique 9 permet de créer un appui au centre de la couche en carton 44 du couvercle pour canaliser la circulation d'air du centre du couvercle, vers la jupe puis vers l'extérieur, comme montré par les flèches sur la figure 10. La différence entre les parties chaudes et les parties froides de l'outil peut dépasser 50°C. La partie chaude 45 de l'outil de scellage est isolée de l'interface conique 9 par un montage approprié de celle-ci sur le support 47 du tampon, lui-même isolé de la partie chaude 45 par un matériau isolant 46. La température sur l'interface d'appui 9 est alors limitée, l'impression du couvercle n'est donc pas altérée par la chaleur (pas de réactivation des encres et des vernis). Le support 47 de l'outil est ajouré pour laisser l'air chaud sortir vers l'extérieur. En augmentant le temps de scellage du couvercle (entre 1.5 et 20 sec) on peut diminuer la température de scellage. La diminution de la température de scellage évite de fragiliser les films barrières 42 du corps tubulaire et films scellants 43 du couvercle. De plus la couche cartonnée 41 du corps tubulaire et la jupe du couvercle étant soumis à une forte pression par le module de contre scellage 58, la cohésion entre les films scellants du corps 42 de la boite et de la membrane 43 a plus de temps pour se faire de manière homogène sans être dégradées par une forte température. L'étanchéité des boites et la résistance du couvercle s'en trouvent améliorées. L'évacuation de l'air est réalisée non seulement pendant le formage du couvercle mais également pendant la phase statique du scellage (tampon en position basse dans le couvercle et couvercle dans sa position définitive dans la boite). Le même procédé est applicable au scellage d'un fond simple ou composite.It is advantageous to evacuate the air located between the layers forming the cover / membrane composite. The forming / sealing buffers according to the invention have a design favoring this, illustrated on the figure 10 . A conical interface 9 makes it possible to create a support at the center of the cardboard layer 44 of the cover to channel the air flow from the center of the cover, to the skirt and then to the outside, as shown by the arrows on the cover. figure 10 . The difference between the hot parts and the cold parts of the tool can exceed 50 ° C. The hot part 45 of the sealing tool is isolated from the conical interface 9 by an appropriate mounting thereof on the support 47 of the buffer, itself isolated from the hot part 45 by an insulating material 46. The temperature on the support interface 9 is then limited, the printing of the lid is not impaired by heat (no reactivation of inks and varnishes). The support 47 of the tool is perforated to let the hot air out to the outside. By increasing the sealing time of the lid (between 1.5 and 20 sec) the sealing temperature can be reduced. The reduction of the sealing temperature avoids weakening the barrier films 42 of the tubular body and sealing films 43 of the cover. In addition, the cardboard layer 41 of the tubular body and the skirt of the lid being subjected to a high pressure by the counter-sealing module 58, the cohesion between the sealing films of the body 42 of the box and of the membrane 43 has more time for to be done in a homogeneous way without being degraded by a high temperature. The sealing of the boxes and the resistance of the lid are improved. The evacuation of the air is carried out not only during the forming of the lid but also during the static phase of the seal (buffer in the lower position in the lid and lid in its final position in the box). The same process is applicable to the sealing of a single or composite bottom.

Dispositif de formage des couvercles à course variable (figure 11)Apparatus for forming covers with variable stroke (Figure 11)

La précision de la profondeur des couvercles (ou fonds) dans une boite est capitale pour la conformité du produit fini. La profondeur de position des couvercles peut varier selon les boîtes pour différentes raisons. Afin de résoudre ce problème d'ajustement de la profondeur, la machine est équipée de deux systèmes de formage/scellage 7 indépendants à course programmable pour chaque paire de poste de formage 4. Grâce au registre du plateau de scellage 3, l'automate sait quel outil 7 est à l'instant t au poste de formage/scellage du couvercle. On peut attribuer au système de formage une course pour chaque outil. Cette course peut être modifiée à tout moment par un opérateur, suite à un contrôle de profondeur. La profondeur peut aussi être réglée de manière dynamique par la mesure des profondeurs des couvercles sortants du poste de scellage. Cette mesure est réalisée par un capteur approprié, l'affiliation couvercle/outil est faite par le registre de l'automate. L'automate peut alors donner aux outils de formage les courses appropriées pour chaque outil, dans un seuil de tolérance pré déterminé.The accuracy of the depth of the lids (or bottoms) in a box is crucial for the conformity of the finished product. The position depth of the lids may vary depending on the boxes for different reasons. In order to solve this problem depth adjustment, the machine is equipped with two programmable independent forming / sealing systems 7 for each pair of forming station 4. Thanks to the register of the sealing plate 3, the machine knows which tool 7 is to be used. moment t at the forming / sealing station of the cover. The forming system can be assigned a stroke for each tool. This race can be modified at any time by an operator, following a depth control. The depth can also be adjusted dynamically by measuring the depths of the outgoing lids of the sealing station. This measurement is carried out by a suitable sensor, the affiliation cover / tool is made by the register of the automaton. The automaton can then give the forming tools the appropriate strokes for each tool, within a pre-determined tolerance threshold.

Dispositif de prédécoupe des couverclesDevice for precutting lids

Ce dispositif de l'unité de finition, dont un mode d'exécution est illustré par la figure 12, sert à réaliser une prédécoupe précise sur un couvercle et utilise un couteau de découpe circulaire. La boite rentre dans un mandrin 48 appelé mandrin de prédécoupe. Le couteau 50 monté sur un support mobile 49 plonge ensuite sur la boite traversant toutes les couches 41,42 du corps de la boite et de la membrane 43 du couvercle. Une butée fixe 51 limite sa plongée pour qu'il ne traverse pas la couche en carton 44 du couvercle. La position de plongée du couteau est située sur la jupe verticale du composite couvercle/membrane et en dessous de la surface de colle liant la membrane au couvercle préalablement scellé par l'unité de scellage 2 de la machine. Le mandrin 48 effectue ensuite une rotation pour découper totalement ou partiellement le périmètre de la boite. Le mandrin 48 et le couteau 50 sont liés par une transmission mécanique ou par un axe virtuel. Dans le premier cas, un servomoteur 52 entraîne le mandrin de prédécoupe; dans l'autre cas, un servomoteur supplémentaire entraîne le couteau. Afin d'utiliser des couteaux standards avec un diamètre standard du marché, on établit une synchronisation des vitesses tangentielles entre le couteau 50 et le corps 41 de la boite. Cette synchronisation est soit obtenue par une transmission mécanique, par chaine ou courroie, dont le rapport de réduction ou de multiplication est le même que le rapport entre le diamètre du mandrin de prédécoupe 48 et le diamètre du couteau 50, soit par une interpolation en rotation des deux servomoteurs du mandrin de prédécoupe et du couteau, dont les vitesses respectives sont coordonnées à la réduction ou multiplication boite/couteau. Par exemple, avec une boite de diamètre 100 mm et un couteau de diamètre 100mm le rapport est de 1 ; pour un mandrin de prédécoupe de 50mm et un couteau de 100 mm de diamètre, le rapport de réduction est de 2, la boite tournant alors deux fois plus vite que le couteau en ce qui concerne le nombre de tours par minute.This device of the finishing unit, an embodiment of which is illustrated by the figure 12 , is used to make a precise precut on a lid and uses a circular cutting knife. The box enters a mandrel 48 called precut mandrel. The knife 50 mounted on a movable support 49 then dives on the box through all the layers 41,42 of the body of the box and the membrane 43 of the lid. A fixed stop 51 limits its dive so that it does not pass through the cardboard layer 44 of the cover. The dipping position of the knife is located on the vertical skirt of the cover / membrane composite and below the glue surface bonding the membrane to the cover previously sealed by the sealing unit 2 of the machine. The mandrel 48 then rotates to totally or partially cut the perimeter of the box. The mandrel 48 and the knife 50 are connected by a mechanical transmission or by a virtual axis. In the first case, a servomotor 52 drives the precut mandrel; in the other case, an additional servomotor drives the knife. In order to use standard knives with a standard market diameter, tangential velocity synchronization is established between knife 50 and the body 41 of the box. This synchronization is obtained either by a mechanical transmission, by chain or belt, whose reduction ratio or multiplication is the same as the ratio between the diameter of the precut mandrel 48 and the diameter of the knife 50, or by a rotation interpolation the two servomotors of the precut mandrel and the knife, whose respective speeds are coordinated to the reduction or multiplication box / knife. For example, with a 100 mm diameter box and a 100 mm diameter knife, the ratio is 1; for a 50mm precut mandrel and a knife 100 mm in diameter, the reduction ratio is 2, the box then rotating twice as fast as the knife with respect to the number of revolutions per minute.

Au long de son périmètre extérieur, le fil du couteau peut être volontairement altéré par suppression locale 53 du fil de coupe conservant ainsi un lien entre le couvercle et la boite pour créer des points d'attache plus ou moins épais sur la boite, qui servent alors de points d'inviolabilité 54. Dans ce cas, l'ouverture du couvercle se fera après la rupture des points d'attache 54. Une charnière d'ouverture 55 peut aussi être réalisée selon le même principe. Dans ce cas, l'altération du fil de coupe 56 est plus grande. Le couvercle reste alors lié au corps après l'ouverture. On peut également obtenir une charnière en faisant une découpe incomplète de la boite en effectuant moins d'un tour avec le mandrin de prédécoupe.Along its outer perimeter, the wire of the knife can be deliberately altered by local suppression 53 of the cutting wire thus maintaining a link between the lid and the box to create more or less thick attachment points on the box, which serve then in inviolability 54. In this case, the opening of the lid will be done after the breaking of the attachment points 54. An opening hinge 55 can also be performed according to the same principle. In this case, the alteration of the cutting wire 56 is greater. The lid then remains attached to the body after opening. It is also possible to obtain a hinge by making an incomplete cutting of the box by performing less than one turn with the precut mandrel.

La précision de la prédécoupe devant être élevée, pour ne pas traverser la partie couvercle du composite membrane/couvercle, et répétitive, un capteur d'origine est placé sur le porte couteau. Après chaque cycle de découpe, le couteau revient à sa position initiale. Ainsi, on utilise toujours la même partie du fil de coupe par rapport au mandrin de prédécoupe. L'usure du couteau est alors plus homogène et facilement rattrapable par la réduction de l'entraxe entre le mandrin de prédécoupe et le couteau quand celui-ci est en plongée. De plus, grâce à ce capteur, les points d'attache peuvent toujours être au même endroit par rapport au mandrin. Dans ce cas, si l'on oriente préalablement, lors du passage dans un poste de travail antérieur, les boites par rapport au graphisme via un spot imprimé sur l'étiquette du corps, on peut alors placer les points d'attache et surtout la charnière précisément par rapport aux indications d'ouverture imprimées sur le corps de la boite. Une autre option d'orientation est de positionner le couvercle rapporté par rapport à un repère situé sur ce même couvercle.The accuracy of the precut to be high, not to cross the lid portion of the composite membrane / lid, and repetitive, an original sensor is placed on the knife holder. After each cutting cycle, the knife returns to its original position. Thus, the same portion of the cutting wire is always used with respect to the precut mandrel. The wear of the knife is then more homogeneous and easily compensated by reducing the spacing between the precut mandrel and the knife when it is diving. Moreover, thanks to this sensor, the attachment points can always be at the same location relative to the mandrel. In this case, if one previously orients, when going into a previous workstation, the boxes in relation to the graphics via a spot printed on the label of the body, one can then place the attachment points and especially the hinge precisely with respect to the opening indications printed on the body of the box. Another orientation option is to position the attached cover relative to a mark on the same cover.

Afin de ne pas entraîner de rupture des points d'attache par la pression exercée par le cône du couteau de découpe, un appui est réalisé sur le sommet de la boite par un module de précontrainte 57,mobile en translation, précontraint par des ressorts. Cette précontrainte de la boite stabilise également celle-ci, empêchant le fil de coupe du couteau de faire bouger la boite le long de l'axe de rotation. La jonction de la prédécoupe est alors parfaite.In order not to cause rupture of the attachment points by the pressure exerted by the cone of the cutting knife, support is provided on the top of the box by a preloading module 57, movable in translation, prestressed by springs. This prestressing of the box also stabilizes the latter, preventing the cutting wire of the knife from moving the box along the axis of rotation. The junction of the precut is then perfect.

Ce dispositif, décrit ci-dessus pour des boites circulaires, est adaptable pour des boites non rondes (ovales, carrées, rectangulaires...). Dans ce cas, la butée de plongée n'est plus fixe, mais variable en fonction de la forme du couvercle. Sa position varie par copie d'un galet tournant sur une came de forme homothétique au mandrin de coupe, le galet étant sur le référentiel du porte couteau, ou par le mouvement d'un axe électrique interpolé à la forme par programmation de celui-ci.This device, described above for circular boxes, is adaptable for non-round boxes (oval, square, rectangular ...). In this case, the dive stop is no longer fixed, but varies depending on the shape of the cover. Its position varies by copying a roller rotating on a cam of homothetic shape to the cutting mandrel, the roller being on the repository of the knife holder, or by the movement of an electrical axis interpolated to the shape by programming thereof .

Gestion des défauts d'avance des couvercles imprimés avec auto purge des couvercles mal imprimés ou présentant un risque de défaut.Print defect management of imprinted lids with auto purge of improperly printed or faulty covers.

Dans le cas d'utilisation de couvercles imprimés, les arrêts des avances bandes sont gérés par la lecture d'un spot imprimé par rapport à chaque impression du couvercle, par exemple par une cellule optique. Dans certains cas, il arrive que le spot soit mal imprimé ou dégradé, la lecture du spot est alors impossible. Si une avance de bande est ratée pour cause d'un spot manquant ou illisible, les bandes de couvercle et de membrane sont alors décalées par rapport à l'impression, toutes les opérations réalisées préalablement à la jonction des bandes sont aussi décalées et le couvercle résultant de l'assemblage et plusieurs couvercles à venir sont non conformes. Si ces mêmes couvercles sont insérés dans un corps de boite, c'est toute la boite qui est non conforme; ce qui représente un risque vis à vis du client final.In the case of use of printed lids, the stops of the strip feeders are managed by reading a printed spot with respect to each printing of the lid, for example by an optical cell. In some cases, it happens that the spot is poorly printed or degraded, reading the spot is impossible. If a tape advance is missed due to a missing spot or illegible, the cover strips and membrane are then offset with respect to the printing, all operations performed prior to the joining of the strips are also offset and the cover resulting from the assembly and several lids to come are non-compliant. If these same lids are inserted into a box body, it is the whole box that is non-compliant; which represents a risk for the end customer.

Pour pallier ce risque, l'automatisme de la machine est capable de gérer ce problème de manière automatique sans créer d'arrêt de ligne et de purge de bande coûteuse en temps et en matière première par le procédé Suivant : les pas (d'impression) de la bande sont constants, avec une certaine tolérance. Cette tolérance est prise en compte pour déterminer la taille de l'empreinte d'encollage ainsi que le centrage de l'impression. Si tous les arrêts de bande sont dans cette tolérance, on considère les couvercles comme corrects. On renseigne via l'interface homme/machine le pas d'impression des couvercles, on renseigne également la tolérance mini et maxi de l'avance, qui peut varier en fonction du type d'opération à réaliser sur les bandes. A chaque avance, l'automate compare la position du spot par rapport à l'avance réelle effectuée. Cette mesure est faite grâce au codeur du servomoteur d'avance-bande ou d'une roue codeuse tractée par la bande du couvercle. Si le spot est détecté avant la fin de l'avance théorique d'un pas d'impression, celle-ci est ignorée et l'avance bande s'arrête à la valeur du pas d'impression préalablement programmé. Le couvercle est alors positionné dans les tolérances. Si le spot n'est pas détecté à sa position théorique, l'avance-bande s'arrête à la valeur du pas d'impression préalablement programmé. Le couvercle est alors positionné dans les tolérances.To overcome this risk, the automation of the machine is able to handle this problem automatically without creating line stoppage and purging of expensive tape time and raw material by the method Next: the steps (printing ) of the band are constant, with some tolerance. This tolerance is taken into account to determine the size of the sizing footprint as well as the centering of the print. If all tape stops are within this tolerance, the covers are considered correct. Information is provided via the man / machine interface not printing lids, it also provides the minimum and maximum tolerance of the advance, which can vary depending on the type of operation to be performed on the strips. At each advance, the automaton compares the position of the spot with respect to the actual advance made. This measurement is made using the encoder of the feed-belt servomotor or a coding wheel pulled by the cover band. If the spot is detected before the end of the theoretical advance of a print step, it is ignored and the tape advance stops at the value of the previously programmed print step. The lid is then positioned within the tolerances. If the spot is not detected at its theoretical position, the tape feedrate stops at the value of the previously programmed print pitch. The lid is then positioned within the tolerances.

Le nombre d'avances réalisées en mode de mesure du pas en cas de spot non conforme est programmable par l'opérateur; si ce nombre est dépassé, les couvercles non conformes sont enregistrés dans un registre puis évacués du poste de découpe de la manière suivante. La découpe des couvercles est stoppée, l'avance-bande du couvercle procède alors à des avances pour sortir les couvercles non conformes du système de découpe. Le risque de boite avec des couvercles non conformes est ainsi éliminé. Le même procédé est utilisé pour l'avance-bande de découpe du couvercle.The number of advances made in step measurement mode in case of non-compliant spot is programmable by the operator; if this number is exceeded, the non-compliant lids are saved in a register and then evacuated from the cutting station in the following manner. The cutting of the covers is stopped, the feed-band of the lid then proceeds to advance to remove the non-conforming covers of the cutting system. The risk of box with non-compliant lids is eliminated. The same process is used for the advance-cutting band of the lid.

En résumé, la machine selon l'invention est une machine rapide, capable de produire 80 à 200 unités par minute de corps de boîte munis de couvercles ou de fonds à base de matériaux cartonnés. Le principal avantage de la machine est de produire 80 à 85% plus vite qu'une machine de l'état de la technique avec des coûts de fonctionnement comparables, et ceci avec une seule machine, donc moins d'éléments mécaniques, électriques, électroniques et pneumatiques que 2 machines d'ancienne génération fonctionnant en même temps. De plus l'emploi d'une machine selon l'invention à la place de deux machines de l'état de la technique engendre des gains de place, de consommation électrique, d'équipements annexes et de pièces de rechange; ce qui réduit de manière importante le coût de production des boites et donc le prix de revient. Par rapport à l'utilisation de 2 machines qui nécessitent 2 agents de contrôle des boites en sortie de machine, la machine selon l'invention n'a besoin que d'une seule personne pour le contrôle. La production augmente donc de 80 à 85% mais le nombre de personnes sur la ligne reste le même.In summary, the machine according to the invention is a fast machine, capable of producing 80 to 200 units per minute of box body provided with lids or funds based on cardboard materials. The main advantage of the machine is to produce 80 to 85% faster than a machine of the state of the art with comparable operating costs, and this with a single machine, so less mechanical, electrical, electronic elements and pneumatic as 2 older generation machines running at the same time. Moreover the use of a machine according to the invention in place of two machines of the state of the art generates gains in space, power consumption, ancillary equipment and spare parts; which significantly reduces the cost of production boxes and therefore the cost. Compared to the use of 2 machines which require 2 control agents of the boxes at the output of the machine, the machine according to the invention requires only one person for the control. The production increases from 80 to 85% but the number of people on the line remains the same.

Le gain de place est également très important, par exemple pour les versions adaptées pour la pose des fonds cartons après remplissage, qui sont des machines utilisées chez le client final, car les clients ont rarement la place pour loger plusieurs machines dans un même lieu de production. En effet, la technologie de fabrication et d'assemblage de boites avec des couvercles et fonds en carton, c'est-à-dire d'emballages écologiques et recyclables, est plus volumineuse que les technologies classiques des boites en carton composites, c'est-à-dire corps en carton, fond en métal et couvercle en plastique avec membrane, difficilement recyclables. L'argument du gain de place est donc important si la question se pose de passer la technologie des boites composites à la technologie des boites entièrement en carton.The saving of space is also very important, for example for the versions adapted for the laying of cardboard funds after filling, which are machines used at the end customer, because the customers rarely have room to house several machines in the same place of production. Indeed, the technology for manufacturing and assembling boxes with lids and cardboard bottoms, that is to say environmentally friendly and recyclable packaging, is larger than the conventional technologies of composite cardboard boxes, it is ie cardboard body, metal bottom and plastic cover with membrane, difficult to recycle. The argument of space saving is therefore important if the question arises to move the technology of composite boxes to the technology of boxes made entirely of cardboard.

Claims (24)

Procédé de fabrication d'emballages comprenant un corps tubulaire fait d'un matériau cartonné et une structure obturante faite d'un matériau cartonné, ce procédé comprenant - l'approvisionnement d'une unité de scellage (2) avec des corps tubulaires préformés et avec des structures obturantes sous forme d'aplats comprenant une partie centrale de forme conjuguée à la forme de l'ouverture des corps tubulaires, entourée d'une partie périphérique rabattable suffisante pour assembler de manière étanche une structure obturante avec la paroi latérale interne d'un corps tubulaire, - l'introduction de chaque structure obturante dans un outil de formage (7) et sa mise en forme de cuvette - l'introduction, la pose et le scellage de ladite cuvette dans un corps tubulaire au moyen du dit outil de formage; - si la structure obturante est un couvercle, la prédécoupe (14) de la paroi latérale dudit corps tubulaire et une prédécoupe partielle du dit couvercle selon une ligne périphérique, - si la structure obturante est un couvercle, au moins une opération de finition de l'extrémité de l'emballage portant ladite structure obturante, caractérisé en ce que
les dits corps tubulaires sont amenées deux par deux à ladite unité de scellage (2), que les structures obturantes sont amenées deux par deux à des paires d'outils de formage (7) de ladite unité de scellage pour y être mises en forme de cuvettes, puis introduites deux par deux, posées et scellées dans des paires de corps tubulaires par lesdites paires d'outils de formage, et que les corps tubulaires portant les lesdites structures obturantes sont soumis deux par deux aux opérations subséquentes de prédécoupe et de finition.A method of manufacturing packages comprising a tubular body made of a cardboard material and a closure structure made of a cardboard material, which method comprises supplying a sealing unit (2) with preformed tubular bodies and with flattening structures in the form of solid areas comprising a central portion of shape conjugate to the shape of the opening of the tubular bodies, surrounded by a folding peripheral portion sufficient to sealingly assemble a sealing structure with the inner side wall of a tubular body, the introduction of each shutter structure into a forming tool (7) and its shaping of a bowl - The introduction, installation and sealing of said bowl in a tubular body by means of said forming tool; if the closure structure is a cover, the precut (14) of the side wall of said tubular body and a partial pre-cut of said cover along a peripheral line, if the closure structure is a cover, at least one finishing operation of the end of the package carrying said closure structure, characterized in that
said tubular bodies are brought two by two to said sealing unit (2), that the sealing structures are brought two by two to pairs of forming tools (7) of said sealing unit to be shaped into cuvettes, then introduced two by two, laid and sealed in pairs of tubular bodies by said pairs of forming tools, and that the tubular bodies carrying the said sealing structures are subjected in pairs to the subsequent operations of pre-cutting and finishing. Procédé selon la revendication 1, comprenant - l'assemblage à plat d'au moins deux matériaux en bandes, à savoir une bande d'un matériau cellulosique (16) pouvant être revêtu d'au moins un matériau barrière et une bande d'un matériau formant une membrane (17) de sécurité, en une bande composite(21), - la découpe de la bande composite en structures obturantes par paires d'aplats, l'un des aplats d'une paire étant découpé dans la partie gauche et l'autre aplat de la même paire étant découpé dans la partie droite de la bande composite. The process of claim 1 comprising - the flat assembly of at least two materials in strips, namely a strip of a cellulosic material (16) which can be coated with at least one barrier material and a strip of a material forming a safety membrane (17) in a composite strip (21), the cutting of the composite strip into closed structures in pairs of flat areas, one of the flat areas of one pair being cut in the left part and the other flat part of the same pair being cut in the right part of the composite strip . Procédé selon la revendication 2, caractérisé en ce que le dit procédé est cadencé pas à pas, et que l'avance des bandes d'un pas, une séquence d'assemblage des matériaux en bandes et une séquence de découpe de deux structures obturantes dans la bande composite sont asservies à l'introduction d'une paire de structures obturantes dans deux outils de formage (7).A method according to claim 2, characterized in that said method is clocked step by step, and that the advance of the strips by one step, a sequence of assembly of the materials in strips and a sequence of cutting of two shut-off structures in the composite strip are slaved to the introduction of a pair of sealing structures in two forming tools (7). Procédé selon la revendication 3, caractérisé en ce qu'une séquence d'assemblage des matériaux en bandes comprend - la création d'une différence de relief (24) sur la bande de matériau cellulosique entre les zones centrales d'une paire de structures obturantes et les zones périphériques à encoller, cette étape du procédé étant optionnelle selon les colles, - la pose d'un film de colle sur les lesdites zones périphériques, - la mise en contact de la bande de matériau cellulosique et de la bande de membranes - le pincement de la zone encollée par des poinçons (27,28) compressant localement lesdites bandes, - l'application d'un outil presseur (29) entre les dits poinçons. Method according to Claim 3, characterized in that a sequence of joining the strip materials comprises the creation of a difference in relief (24) on the strip of cellulosic material between the central zones of a pair of closure structures and the peripheral zones to be glued, this step of the process being optional depending on the glues, the laying of a glue film on the said peripheral zones, contacting the strip of cellulosic material with the membrane strip - the pinching of the area glued by punches (27,28) compressing said strips locally, - The application of a pressing tool (29) between said punches. Procédé selon l'une des revendications 2-4, caractérisé en ce que après chaque avance de la bande composite et avant la découpe d'une paire de structures obturantes le squelette de la bande composite est tendu par des moyens de traction (19).Method according to one of claims 2-4, characterized in that after each advance of the composite strip and before cutting a pair of sealing structures the skeleton of the composite strip is stretched by traction means (19). Procédé selon l'une des revendications 2-5, caractérisée en ce que l'aplat découpé dans la partie gauche et l'aplat découpé dans la partie droite de la bande composite (21) lors d'une même opération de découpe sont longitudinalement décalés.Method according to one of claims 2-5, characterized in that the cut flattened in the left part and the cut flattened in the right part of the composite strip (21) during the same cutting operation are longitudinally offset. Procédé selon l'une des revendications 5-6, caractérisé en ce que le squelette de la bande composite est séparé en ses composantes en aval desdits moyens de traction (19).Method according to one of claims 5-6, characterized in that the skeleton of the composite strip is separated into its components downstream of said traction means (19). Machine de fabrication d'emballages comprenant un corps tubulaire fait d'un matériau cartonné et une structure obturante faite d'un matériau cartonné, assemblée au corps tubulaire, destinée à mettre en oeuvre un procédé selon l'une des revendications 1-7, ladite machine (1) comprenant - une unité de scellage (2) comprenant un plateau de scellage (3) tournant, le dit plateau de scellage comprenant un nombre N de postes de scellage (4), avec 3 ≤ N ≤ 50, chaque poste de scellage comprenant deux outils de scellage (7), le dit plateau de scellage tournant de manière cadencée via un indexeur à N stops, - un dispositif d'alimentation (5) introduisant des corps tubulaires deux par deux dans un premier poste de scellage, - un dispositif d'introduction (6) amenant des structures obturantes sous forme d'aplats, deux par deux, à un deuxième poste de scellage en amont du premier poste de scellage, - un dispositif de transfert (14) de corps tubulaires, scellés à des structures obturantes, du plateau de scellage à une unité agencée en aval. Packaging manufacturing machine comprising a tubular body made of a cardboard material and a closure structure made of a cardboard material, assembled to the tubular body, for implementing a method according to one of claims 1-7, said machine (1) comprising a sealing unit (2) comprising a rotating sealing plate (3), said sealing plate comprising a number N of sealing stations (4), with 3 ≤ N ≤ 50, each sealing station comprising two sealing tools; sealing (7), said sealing pad rotating clockwise via an indexer with N stops, a supply device (5) introducing tubular bodies two by two into a first sealing station, - an introduction device (6) providing closed structures in the form of flat areas, two by two, to a second sealing station upstream of the first sealing station, - A transfer device (14) of tubular bodies, sealed to closure structures, the sealing plate to a unit arranged downstream. Machine selon la revendication 8, comprenant de plus une unité de finition (10) comprenant un plateau de finition (11)tournant, le dit plateau de finition comprenant un nombre N de postes de finition (12) agencés pour accueillir chacun une paire de corps tubulaires scellés à des structures obturantes, le dit plateau de finition tournant de manière cadencée via un indexeur à N stops, et au moins un outil double de finition (13), avec lequel chaque poste de finition vient interagir pour effectuer au moins une opération spécifique de finition sur chaque corps tubulaire scellé à une structure obturante, - un dispositif d'éjection (30) des dits emballages du plateau de finition. Machine according to claim 8, further comprising a finishing unit (10) comprising a finishing plate (11) rotating, said finishing plate comprising a number N of finishing stations (12) arranged to each accommodate a pair of bodies tubulars sealed to shut-off structures, said finishing platen rotating clockwise via an indexer with N stops, and at least one double finishing tool (13), with which each finishing station comes to interact for performing at least one specific finishing operation on each tubular body sealed to an obturating structure, an ejection device (30) for said packaging of the finishing tray. Machine selon la revendication 8 ou 9, dans laquelle N=8.Machine according to claim 8 or 9, wherein N = 8. Machine selon l'une des revendications 8-10, caractérisé en ce qu'un dit outil double de finition (13) est un outil de prédécoupe de couvercle.Machine according to one of claims 8-10, characterized in that one said double finishing tool (13) is a cover precut tool. Machine selon l'une des revendications 8-11, caractérisée en ce que l'unité de finition (10) comprend un outil double d'ourlage.Machine according to one of claims 8-11, characterized in that the finishing unit (10) comprises a double hemming tool. Machine selon l'une des revendications 8-12, caractérisée en ce que l'unité de finition (10) comprend au moins Un outil double de gerbage.Machine according to one of claims 8-12, characterized in that the finishing unit (10) comprises at least one double stacking tool. Machine selon l'une des revendications 8-13, caractérisée en ce qu'elle comprend une unité de confection (15) deux par deux de structures obturantes sous forme d'aplats comprenant une partie centrale de forme conjuguée à la forme de l'ouverture des corps tubulaires, entourée d'une partie périphérique rabattable suffisante pour assembler de manière étanche une structure obturante avec la paroi latérale interne d'un corps tubulaire, fonctionnant en mode cadencé pas à pas, et asservie à l'introduction d'une paire de structures obturantes dans deux outils de formage.Machine according to one of claims 8-13, characterized in that it comprises a two-by-two assembly unit (15) of closed structures in the form of solid areas comprising a central portion of shape conjugated to the shape of the opening tubular bodies, surrounded by a folding peripheral portion sufficient to sealingly assemble a closure structure with the inner side wall of a tubular body, operating in step-by-step mode, and slaved to the introduction of a pair of shutter structures in two forming tools. Machine selon la revendication 14, caractérisée en ce que ladite unité de confection comprend - un dévidoir d'une bande (16) d'un matériau cellulosique pouvant être revêtu d'au moins un matériau barrière et un dévidoir d'une bande (17) d'un matériau formant une membrane de sécurité, la largeur des dites bandes étant suffisante pour loger transversalement deux structures obturantes, - optionnellement, un poste de mise en relief (24) de zones prédéterminées de la bande de matériaux cellulosiques, - un poste d'encollage (22) de la bande de matériaux cellulosiques, un poste de mise en contact et de pressage (27,28,29) de la bande de membrane sur la bande de matériaux cellulosiques, - un poste de découpe de structures obturantes comprenant deux outils de découpe décalés longitudinalement, et - au moins un avance-bande (19) synchronisant l'avance de la bande (16) de matériau cellulosique avec l'avance de la bande (17) de matériau de membrane, formant une bande composite (21), le dit avance-bande et les postes précités de l'unité de confection étant asservis au dit dispositif d'introduction (6). Machine according to claim 14, characterized in that said garment unit comprises - a reel of a strip (16) of a cellulosic material that can be coated with at least one barrier material and a reel of a strip (17) of a material forming a safety membrane, the width of said strips being sufficient to accommodate transversely two shuttering structures, optionally, an embossing station (24) for predetermined zones of the cellulosic material strip, a sizing station (22) of the band of cellulosic materials, a station for contacting and pressing (27,28,29) the membrane strip on the strip of cellulosic material, a cutting station for shuttering structures comprising two cutting tools offset longitudinally, and at least one band feed (19) synchronizing the advance of the band (16) of cellulosic material with the advance of the band (17) of membrane material, forming a composite band (21), said advance- band and the aforementioned stations of the garment unit being slaved to said insertion device (6). Machine selon la revendication 15, caractérisé en ce que ladite unité de confection comprend un dispositif extracteur de squelette de bande et en particulier un dispositif séparateur (40) de squelette de bande en ses composantes.Machine according to claim 15, characterized in that said garment unit comprises a band skeleton extractor device and in particular a band skeleton separator device (40) in its components. Dispositif avance-bande pour une machine selon l'une de revendications 8-16, comprenant deux rouleaux d'entraînement de même diamètre et un servomoteur (34) entraînant l'un des deux rouleaux (31), l'autre rouleau (32) étant entraîné dans un rapport 1/1 par le premier rouleau.Advance-belt device for a machine according to one of claims 8-16, comprising two drive rollers of the same diameter and a servomotor (34) driving one of the two rollers (31), the other roll (32). being driven in a 1/1 ratio by the first roll. Dispositif d'encollage pour une machine selon l'une de revendications 8-16, comprenant - une presse mettant en relief (24) deux par deux des zones d'encollage, - un porte-empreinte (25) transférant un film de colle d'un réservoir (26) sur lesdites zones d'encollage, - un dispositif presseur comprenant un jeu de poinçons (27,29) isolant les dites zones d'encollage et un presseur (28) agencé entre les dits poinçons. Gluing device for a machine according to one of claims 8-16, comprising - a press embossing (24) two by two gluing areas, a tray (25) transferring an adhesive film from a reservoir (26) to said sizing areas, - A pressing device comprising a set of punches (27,29) isolating said sizing areas and a presser (28) arranged between said punches. Dispositif d'introduction de structures obturantes pour une machine selon l'une de revendications 8-16, présentant des moyens d'ajustement du pas de découpe (Pd) de l'unité de confection des structures obturantes au pas des outils (Po) de formage d'un poste de scellage de l'unité de scellage comprenant un actioneur linéaire longitudinal (37) et deux coulisseaux latéraux (38).Device for inserting shut-off structures for a machine according to one of claims 8-16, having means for adjusting the cutting pitch (Pd) of the unit for making the shutter structures at the pitch of the tools (Po) of forming a sealing station of the sealing unit comprising a longitudinal linear actuator (37) and two lateral slides (38). Outil de formage pour une machine selon l'une de revendications 8-16, comprenant un tampon conique (9) appuyant sur le centre d'une structure obturante pour chasser l'air entre le matériau cellulosique et le matériau de membrane vers la périphérie, le dit tampon conique étant isolé thermiquement de la partie chaude (45) de l'outil de formage.A forming tool for a machine according to one of claims 8-16, comprising a conical plug (9) pressing on the center of a sealing structure to expel air between the cellulosic material and the membrane material to the periphery, said conical plug being thermally insulated from the hot portion (45) of the forming tool. Outil de formage selon la revendication 20, caractérisé en ce que la course de scellage du dit outil est ajustable.Forming tool according to claim 20, characterized in that the sealing stroke of said tool is adjustable. Outil de pré-découpe (13) pour une machine selon l'une de revendications 8-16, ladite structure obturante étant le couvercle, comprenant un couteau de découpe (50) circulaire et un mandrin de prè-découpe (48) logeant un corps tubulaire, le dit couteau étant agencé par rapport au mandrin de façon à inciser le corps tubulaire en dessous de la surface de colle liant la membrane aux matériaux cellulosiques du couvercle et de façon à traverser toutes les couches du corps tubulaire et la membrane mais non le matériau cellulosique du couvercle, les vitesses de rotation du couteau et du mandrin étant ajustées de façon à synchroniser les vitesses tangentielles du couteau et du corps tubulaire.Pre-cutting tool (13) for a machine according to one of claims 8-16, said shutter structure being the cover, comprising a circular cutting knife (50) and a pre-cutting mandrel (48) housing a body tubular, said knife being arranged relative to the mandrel so as to incise the tubular body below the glue surface bonding the membrane to the cellulosic material of the lid and so as to pass through all the layers of the tubular body and the membrane but not the cellulosic material of the lid, the rotational speeds of the knife and the mandrel being adjusted to synchronize the tangential speeds of the knife and the tubular body. Outil de prédécoupe selon la revendication 22, caractérisée en ce que le fil du couteau est altéré localement (53,56) pour créer des points d'attache (54) ou une charnière (55).Precut tool according to claim 22, characterized in that the knife wire is locally altered (53,56) to create attachment points (54) or a hinge (55). Outil de pré-découpe selon la revendication 23, comprenant un module de précontrainte (57) appuyant sur le sommet de l'emballage.Pre-cutting tool according to claim 23, comprising a prestressing module (57) pressing on the top of the package.
EP13194547.9A 2012-11-29 2013-11-27 Method and machine for assembling rigid tubular bodies made of cardboard material with a sealing structure Active EP2738105B1 (en)

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FR1261400A FR2998503B1 (en) 2012-11-29 2012-11-29 METHOD AND MACHINE FOR ASSEMBLING RIGID TUBULAR BODIES OF CARDBOARD MATERIAL WITH SHUTTER STRUCTURE

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3486186A1 (en) * 2017-11-20 2019-05-22 Georges Sireix Device for sealing the bottom or cover of an ecologically designed box using an expandable bearing element

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3000917B1 (en) * 2013-01-11 2015-02-20 Bobst Lyon CONTROL METHOD FOR CONTROLLING A TRANSFORMING MACHINE, TRANSFORMING MACHINE AND COMPUTER PROGRAM FOR CARRYING OUT SUCH A CONTROL METHOD
FR3013628B1 (en) 2013-11-27 2016-07-01 Guillaume Sireix METHOD FOR ASSEMBLING TUBULAR BODIES OF CARDBOARD MATERIAL WITH AN SHUTTER STRUCTURE
CN106042445A (en) * 2016-07-20 2016-10-26 嘉兴市新发现机械制造有限公司 Automatic detecting and removing device for cup bottom paper joints
CN111251658B (en) * 2020-03-30 2021-10-29 武汉轻工大学 Paperboard gluing device
US20230234762A1 (en) 2022-01-27 2023-07-27 Sonoco Development, Inc. Multipurpose membrane for containers

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1251086A (en) 1960-03-14 1961-01-13 Daimler Benz Ag Steering gear for motor cars
FR2006078A1 (en) * 1968-04-11 1969-12-19 Horauf Maschf Making hollow bucket shaped packaging containers
FR2060078A1 (en) 1969-08-04 1971-06-11 Ncr Co
EP0668151A1 (en) * 1994-02-22 1995-08-23 Georges Sireix Method for manufacturing a tubular container and container obtained by the method
US20050034819A1 (en) 2003-06-18 2005-02-17 Brown David C. Device for making containers

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2423965A (en) * 1944-01-14 1947-07-15 Continental Can Co Apparatus for forming end closures in paper containers
US2716408A (en) 1951-12-19 1955-08-30 Kendail Company Surgical sponge or like article
US3194479A (en) * 1962-04-16 1965-07-13 Kvp Sutherland Paper Co Containers and container closures
US3460310A (en) * 1964-12-09 1969-08-12 United Glass Ltd Container closures
US3466731A (en) * 1966-09-20 1969-09-16 Anchor Hocking Corp Method and apparatus for forming and inserting liners in closures
US3478489A (en) * 1967-02-15 1969-11-18 Top Seal Inc Cup filling machine and elements
SE332387B (en) * 1969-06-18 1971-02-01 Sprinter Pack Ab
US3628307A (en) * 1970-04-23 1971-12-21 American Can Co Container capping apparatus
US3714760A (en) * 1971-03-10 1973-02-06 Anchor Hocking Corp High speed rotary container sealing machine with inclined sealing heads
SE359479B (en) * 1972-02-24 1973-09-03 Platmanufaktur Ab
US3808927A (en) * 1972-08-14 1974-05-07 Standard Oil Co Transporting and trimmer apparatus for plastic film having thermoformed articles therein
US3840966A (en) * 1973-06-13 1974-10-15 Pillsbury Co Apparatus for inserting pressfit cups into can bodies
FR2268689B1 (en) * 1974-04-25 1978-09-01 Erca
JPS5813412B2 (en) * 1975-01-30 1983-03-14 住友ベークライト株式会社 You can see how the film works when it comes to printing.
US3938301A (en) * 1975-04-04 1976-02-17 The Pillsbury Company Apparatus for inserting separator plates in cans and tamping them in place
US4065909A (en) * 1976-04-26 1978-01-03 Owens-Illinois, Inc. Method and apparatus for applying a lid and tamper-indicating sheet to a container
GB2051668B (en) * 1979-07-05 1983-04-07 Metal Box Co Ltd Making containers
DE2950469C2 (en) * 1979-12-14 1983-12-01 I.M.A. Industria Macchine Automatiche S.p.A., Ozzano Emilia, Bologna Device for the automatic cutting of rectangular panels with rounded corners
US4599123A (en) * 1982-09-02 1986-07-08 Esselte Pac Aktiebolag Method and apparatus for manufacturing a container having an inner end closure
SE454433B (en) * 1983-05-19 1988-05-02 Esseltepack Ab DEVICE FOR SHAPING AND INSTALLATION OF INTERNAL LOCK IN PACKAGING
SE457946B (en) * 1986-05-26 1989-02-13 Akerlund & Rausing Licens Ab EXPANDABLE SHUTTLE FOR END CLOSE
US4691500A (en) * 1986-07-18 1987-09-08 Packaging Systems International, Inc. Lid sealing machine
US4816110A (en) * 1987-08-31 1989-03-28 Montreal Milling Cutter Co., Inc. In-line sealer
US4888935A (en) * 1988-07-25 1989-12-26 Campbell Soup Company Method for sealing a lid to a container
US5110041A (en) * 1990-08-24 1992-05-05 International Paper Company In-line fitment sealing apparatus and method
US5200587A (en) * 1990-10-22 1993-04-06 Fmc Corporation Induction heating coil with conical base
US5584388A (en) * 1992-04-07 1996-12-17 Johnson; Jimmie L. Apparatus for supplying two-part systems
CH687609A5 (en) * 1993-01-20 1997-01-15 Tetra Alfa Holdings Method and apparatus for filling and sealing of a package.
FR2712253B1 (en) * 1993-11-10 1996-01-19 Mecaplastic Method and device for packaging food, chemical or pharmaceutical products and corresponding packaging trays.
DE69514093T2 (en) * 1994-03-07 2000-04-20 Pillsbury Co DEVICE FOR SEALING A CONTAINER
US5626000A (en) * 1994-06-10 1997-05-06 Johnson & Johnson Vision Products, Inc. Packaging arrangement
US5716471A (en) * 1995-10-30 1998-02-10 Elopak Systems Ag Method for securing articles to laminates
EP0915024A1 (en) * 1997-10-25 1999-05-12 Werner Grabher Closure lid and method of manufacture
DE19817737A1 (en) * 1998-04-21 1999-11-04 Hassia Verpackung Ag Deep-drawn cup and process for its manufacture
US6073422A (en) * 1998-08-11 2000-06-13 Osceola Foods, Inc. Filling and lidding machine and method
US6523330B1 (en) * 1998-10-13 2003-02-25 In-Flo Liquid Dispensing Corporation Method and apparatus for capping, evacuating and folding collapsible plastic containers
GB0209316D0 (en) * 2002-04-24 2002-06-05 Relco Uk Ltd Cutting device
US20040020171A1 (en) * 2002-06-10 2004-02-05 Biba Scott I. Web cutter
ITPR20030110A1 (en) 2003-12-19 2005-06-20 Levati Food Tech S R L MACHINE TO FILL PACKAGES, IN PARTICULAR BAGS AND / OR ENVELOPES.
EP1737731B1 (en) * 2004-04-20 2008-09-03 Jörgen Henriksen A container closure application system
US20090100805A1 (en) * 2007-10-19 2009-04-23 Schneider Wayne F Sealed plastic closure and method for making the same
US8142827B2 (en) * 2008-04-16 2012-03-27 Georgia Crown Distributing Co. Packaged bottle beverage having an ingredient release closure with improved additive release and method and apparatus thereof
DE102010039000A1 (en) 2010-08-06 2012-02-09 Telsonic Holding Ag Device for welding head seams with bags in horizontal filling machines, has slots and/or guide moved by lever mechanisms such that ultrasonic horn is moved in direction of detonator cap, where mechanisms are engaged in guide and/or at slots

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1251086A (en) 1960-03-14 1961-01-13 Daimler Benz Ag Steering gear for motor cars
FR2006078A1 (en) * 1968-04-11 1969-12-19 Horauf Maschf Making hollow bucket shaped packaging containers
FR2060078A1 (en) 1969-08-04 1971-06-11 Ncr Co
EP0668151A1 (en) * 1994-02-22 1995-08-23 Georges Sireix Method for manufacturing a tubular container and container obtained by the method
FR2716408A1 (en) 1994-02-22 1995-08-25 Sireix Georges Process for manufacturing tubular packaging and packaging obtained by implementing the method.
US20050034819A1 (en) 2003-06-18 2005-02-17 Brown David C. Device for making containers

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3486186A1 (en) * 2017-11-20 2019-05-22 Georges Sireix Device for sealing the bottom or cover of an ecologically designed box using an expandable bearing element
FR3073827A1 (en) * 2017-11-20 2019-05-24 Georges Sireix DEVICE FOR SEALING THE BOTTOM OR COVER OF AN ECOLOGICALLY DESIGNED CARDBOARD PACKAGING USING AN EXTENSIBLE SUPPORTING ELEMENT
US10882648B2 (en) 2017-11-20 2021-01-05 George Sireix Device for sealing the bottom or lid of an ecologically designed cardboard box using an extensible bearing element

Also Published As

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ES2823487T3 (en) 2021-05-07
FR2998503B1 (en) 2014-11-14
US20140148322A1 (en) 2014-05-29
US9975306B2 (en) 2018-05-22
FR2998503A1 (en) 2014-05-30
EP2738105B1 (en) 2020-07-15

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