EP3357354B1 - Verfahren zum herstellen eines strangs der tabak verarbeitenden industrie sowie strangformungsvorrichtung - Google Patents

Verfahren zum herstellen eines strangs der tabak verarbeitenden industrie sowie strangformungsvorrichtung Download PDF

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Publication number
EP3357354B1
EP3357354B1 EP18153141.9A EP18153141A EP3357354B1 EP 3357354 B1 EP3357354 B1 EP 3357354B1 EP 18153141 A EP18153141 A EP 18153141A EP 3357354 B1 EP3357354 B1 EP 3357354B1
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EP
European Patent Office
Prior art keywords
strand
format
material web
strip
conveying direction
Prior art date
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Active
Application number
EP18153141.9A
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German (de)
English (en)
French (fr)
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EP3357354A1 (de
Inventor
Andreas Feierabend
Gerd Strohecker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koerber Technologies GmbH
Original Assignee
Hauni Maschinenbau GmbH
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Application filed by Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Priority to PL18153141T priority Critical patent/PL3357354T3/pl
Publication of EP3357354A1 publication Critical patent/EP3357354A1/de
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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/46—Making paper tubes for cigarettes
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/46—Making paper tubes for cigarettes
    • A24C5/465—Making paper tubes for cigarettes the paper tubes partially containing a filter element
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/027—Multiple line manufacturing devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/14—Machines of the continuous-rod type
    • A24C5/18—Forming the rod
    • A24C5/1857—Belt construction or driving means

Definitions

  • the invention relates to a method for producing a rod for the tobacco processing industry according to claim 1.
  • the invention also relates to a rod machine for tobacco processing Industry or a device for the production of double-layered tubes of the tobacco processing industry according to claim 7.
  • rods for example tobacco rods, filter rods or hollow tubes
  • rods are produced in order to cut them into individual sections, which are then further processed into filter cigarettes, for example.
  • a wrapping material is wrapped around filter material or tobacco in a format device, provided with an adhesive on the edge and the adhesive seam is then sealed.
  • a format tape is provided in the format device on which the wrapping material is placed, onto which filter material or tobacco itself is again applied, in order to then enable the strand to be shaped while the filter material or tobacco is wrapped with the wrapping material strip.
  • the format tape almost completely surrounds the wrapping material.
  • a gusset which is provided for gluing the wrapping material to the other end of the wrapping material and for closing the wrapping material strip around the filter material or the tobacco.
  • tubes for example cardboard tubes or paper tubes, are also used to provide special filters, such as a recess filter or a hollow filter, for example.
  • filters such as a recess filter or a hollow filter, for example.
  • tubes also serve as spacers in heat-not-burn products.
  • a corresponding tube should have a certain stability, which is why it is known to produce multi-walled paper tubes.
  • Such tubes are cut to length from hollow tube strands.
  • Out DE 25 56 332 A1 are a method and a machine for manufacturing a multi-walled paper tube for smoking article mouthpiece sleeves known, in which a continuous paper strip, the width of which corresponds to at least twice the circumference of the tube to be produced, is continuously pulled off a roll, the strip being provided in the longitudinal direction by weakening with a fold line through which the strip is divided into two strip sections, the two strip sections being folded together along the fold line, the folded strip being formed into a double-walled tube.
  • the ends of the paper strip are connected by overlapping or underlapping the paper strip with the folded and bent edge.
  • EP 3 033 952 A2 discloses a double-layered tube of the tobacco processing industry and an apparatus and method for making such a tube.
  • DE 36 03 748 A1 discloses a device by means of which two-ply paper webs are formed into a two-ply tube.
  • EP 0 448 256 A2 discloses an apparatus for making thin-walled tubes. In this document, too, two-ply paper tubes are produced.
  • DE 32 35 510 A1 shows a strand-forming device in the tobacco-processing industry, in which a format strip is conveyed in a conveying direction in a format device and is increasingly bent in the conveying direction about a longitudinal axis arranged in the conveying direction.
  • GB 1 210 029 A discloses an apparatus and a method with which a tube is formed in a format device, with overpressure being used to ensure that the format tape can also grip the wrapping material.
  • a less wide format strip enables a more precise design of the tubular strand.
  • Rod-shaped articles for example double-layered tubes from the tobacco processing industry, can then be cut to length from the tubular strand.
  • double-layer or multi-layer tubes of the tobacco processing industry can be produced from a tubular strand, the double-layer tubes comprising a first and a second material strip section, the first material strip section having a first width and the second material strip section having a second width, wherein the first and the second material strip section are wrapped around each other such that the first material strip section is circular or oval shaped in cross section and the edges defining the first width are butted, the second material strip section being circular or oval shaped in cross section and the edges defining the second width are butted, the second strip of material portion being disposed outwardly around the first strip of material portion, the abutting edges of the first and the second material strip section are offset from one another in the circumferential direction, the thickness of the first and second material strip sections being in a range from 38 ⁇ m to 160 ⁇ m, with a position adhesive between the first and the second material strip section is intended as a full-surface or almost full-surface gluing
  • the format tape has a width that is significantly smaller than the width of the material strips placed one on top of the other, namely such that the format tape has a width of 30% to 70% of the width of the material strips placed one on top of the other.
  • the width of the material strips placed one on top of the other is the total width of the material strips that is present when the material strips are placed on top of one another.
  • the width can be from 40% to 70% based on the circumference of the strand produced.
  • the format tape is preferably wrapped around the superimposed material strips by less than 60% and more than 40% based on the width of the material strips placed one on top of the other. Particularly preferably, the format tape is wrapped less than 50% and more than 45% around the material strips placed one on top of the other.
  • an application thickness is understood to mean the thickness of the adhesive that prevails during application.
  • an adhesive track or glue track of a predeterminable thickness By means of a device described there for applying a glue track or adhesive track to a wrapping strip of a rod-shaped product of the tobacco processing industry, a very precisely defined application thickness of a glue track or an adhesive application can be achieved.
  • the subject of EP 2 974 798 A1 should be fully included in the disclosure content of this patent application.
  • the position adhesive is the adhesive which is arranged between the first and second material strip section or a first and a second material strip, which indicates an overlap of the first and second material strips after the first and second material strips are offset.
  • the positional adhesive can be viewed as the adhesive located on the larger peripheral section between the abutting edges.
  • a so-called seam adhesive is provided on the smaller circumferential section between the joint edges.
  • the application thickness of the adhesive does not correspond to the adhesive thickness after the material strips have been joined or the two-ply tube produced. This is due to the fact that, on the one hand, the adhesive hardens and, on the other hand, adhesive is also taken up in the material strip.
  • the thickness of the first and second material strip sections is preferably in a range from 100 ⁇ m to 140 ⁇ m, in particular 120 ⁇ m to 130 ⁇ m, and / or the application thickness of the position adhesive is in a range from 10 ⁇ m to 40 ⁇ m, in particular 15 ⁇ m to 30 ⁇ m ⁇ m.
  • a seam adhesive is preferably between the first and the second material section, in particular as a full-area or almost full-area Gluing, with an application thickness of 40 ⁇ m to 120 ⁇ m, in particular 60 ⁇ m to 100 ⁇ m, is provided.
  • the application thickness of the seam adhesive is preferably greater than the application thickness of the position adhesive.
  • the thickness of the seam adhesive is 1.5 to 3 times as thick as the application thickness of the position adhesive.
  • the weight of the first and / or second material strip section is preferably in a range from 27 g / m 2 to 125 g / m 2 , in particular 60 g / m 2 to 120 g / m 2 , in particular 70 g / m 2 to 110 g / m 2 .
  • the weight of the first and / or second material strip section or of the first and / or second material strip is particularly preferably 100 g / m 2 .
  • the offset of the abutting edges of the first and second material strip sections is preferably between 0.5 mm and 3 mm, in particular between 1.5 mm and 2.5 mm.
  • the ratio of the second width to the first width is preferably between 52:48 and 50.5:49.5.
  • the ratio of the second width to the first width or the widths of the material strip section to one another can depend on the format of the product of the tobacco processing industry that is to be provided with the tube.
  • the ratio of the second width to the first width can be in the range from 51.5 to 48.5.
  • this ratio can be 51.5 to 48.9 and for a king-size cigarette with an outside diameter of 7.4 mm, this ratio can be 50.5 to 49, 5 lie.
  • an inner joint which lies between the edges of the first material strip section, of 0.0 mm is provided and an outer joint between the edges of the outer material strip section of FIG 0.0 mm to 0.4 mm provided.
  • the width of the material section or the material sections can be 26.5 mm to 27.5 mm, 31.0 to 32.5 mm and 44.5 mm to 45.5 mm, depending on the format.
  • the material sections or strips of material can be made of paper that has the appropriate thickness and weight as indicated above.
  • the paper can be colored on one or both sides, patches made of aluminum or other materials, for example, can be applied, or the paper can be vapor-coated with a material, for example an aluminum lamination can be provided. Embossing or printing or punching can also be provided.
  • One type of adhesive or several, for example two types of adhesive, can be provided as the adhesive.
  • a PVA adhesive polyvinyl acetate adhesive
  • a flavor can be applied, preferably on the first material strip section. The flavor can preferably be added to the adhesive.
  • seam adhesives can also be format-dependent. For example, 6 g / 500 m to 20 g / 500 m, preferably 10 g / 500 m, seam adhesive can be provided for a microslim cigarette and 25 g / 500 m to 55 g / 500 m for a superslim cigarette or kingsize cigarette , preferably 45 g / 500 m of adhesive per seam glue line can be provided.
  • the adhesive quantities of the positional adhesive can also be adapted as a function of the cigarette format.
  • a microslim cigarette can have an amount of glue of 10 g / 500 m to 60 g / 500 m, preferably 20 g / 500 m, and a superslim cigarette a glue amount of 25 g / 500 m to 70 g / 500 m, preferably 60 g / 500 m and for a king-size cigarette a glue quantity of 35 g / 500 m to 80 g / 500 m, preferably 55 g / 500 m.
  • the glue application pattern is preferably over the entire surface.
  • the adhesive can, for example, be polyvinyl acetate (PVA or PVAC). This is a thermoplastic plastic. Other adhesives or glues can also be used.
  • PVA polyvinyl acetate
  • PVAC polyvinyl acetate
  • Other adhesives or glues can also be used.
  • An adhesive is provided between the first and the second material strip section essentially over the entire surface or over the entire surface.
  • An approximately full-surface gluing is understood to mean, in particular, a gluing in which the area of a material strip section is glued over the entire area to at least 80%, preferably at least 90%, in particular preferably at least 95%.
  • edges of the respective material strip section are in abutment, this means that these edges abut one another or are at a small distance from one another.
  • adhesive is provided between at least two edges, in particular the end faces of the edges.
  • adhesive can be provided in order to fill a gap between the edges.
  • adhesive is provided between all edges.
  • the possible gap between the edges is thus preferably also filled with adhesive.
  • the thickness of the filling is such that the adhesive is preferably flush with the surface of the material strip section.
  • the first width of the material strip sections is preferably smaller than the second width. This measure makes it possible to specify a double-layered tube or a strand which, in particular in the outer layer, has a small gap or no gap between the edges or the abutting edges.
  • the first and / or the second material strip section is preferably made of paper or cardboard.
  • a particularly stable, double-layered tube or a particularly stable strand of the tobacco processing industry can be achieved if the abutting edges of the first and second material strip sections are preferably not radially aligned or radially not aligned with one another. This means that the abutting edges of the first and second material strip sections are offset from one another in the circumferential direction. The abutting edges or the corresponding gaps between the abutting edges are then at a radial angular distance from one another.
  • the radial angular distance is preferably between 2 ° and 80 °, in particular between 5 ° and 45 °, particularly preferably between 10 ° and 45 °.
  • the thickness of the first material strip section preferably corresponds to the thickness of the second material strip section.
  • the quality of the tube or strand produced is particularly high.
  • the thickness of the second material strip section is smaller than the thickness of the first material strip section, it can be ensured that the adhesive used sets faster, so that the production speed can be increased.
  • a base material strip is first conveyed in the longitudinally axial conveying direction and then the base material strip is cut longitudinally and axially into the first material strip and the second material strip. This enables very precise positioning of the first and second material strips for superimposing the material strips.
  • the format tape is preferably stabilized in its transverse axial position. This further increases the manufacturing accuracy of the strand in the tobacco processing industry.
  • one or two stops can be provided in a format device, so that a transverse axial position fixing of the format tape is enabled.
  • measuring means can also be provided that measure the transverse axial position of the format tape and actuators that regulate and thus stabilize the position of the format tape.
  • a format tape-free guide and shaping surface is preferably provided in a format device for closing the material strips placed one on top of the other. This leads to a significantly reduced formation of wrinkles in the superimposed material strips when the strand is formed, in particular when a hollow strand is formed.
  • the guide and shaping surface which is free of format tape, has a shape or a cross-section that changes in the conveying direction, so that successive wrapping of the superimposed first and second strips of material is made possible.
  • the wear of the format tape can be reduced if the strand is pulled in the longitudinal axial conveying direction by a format pulling device.
  • a draw format device is provided in the conveying direction behind a format device in which the superimposed strips of material are wound. It is particularly preferred if another wrapping material is wrapped around the strand in the pull format device.
  • the rod is preferably a cigarette rod, a filter rod or a hollow tube or hollow tube.
  • rod-shaped elements such as cigarette rods or tobacco rods of single or multiple useful lengths, filter rods of single or multiple useful lengths, or tubes, such as double-layered or multilayered tubes of single or multiple useful lengths, can be cut to length from the strand.
  • a strand is formed in the passage of the format device through the strand-forming device, which is circular or elliptical in cross section.
  • the outer contour of the strand corresponds to the inner contour of the format device, namely the inner surface of the format tape and the inner surface of the format device, which is arranged in the area of the through opening and is free of format tape. This is provided in particular at the output of the format device.
  • the inscribed contour is to be understood in particular as a closed geometric line which inscribes a through opening of the format device.
  • the inner surface which is provided for forming the strand can also have gaps.
  • the inscribed contour of the through opening is preferably a circle or an ellipse. At the entrance of the format device, however, this contour is not yet available, since there the material strips placed one on top of the other are first placed on the format tape and then bent accordingly in the transverse axial direction in the course of the conveyance through the format device.
  • the format device preferably has a sub-format for receiving the format tape and at least one support strip, the support strip being arranged on the sub-format and forming at least one stop for the format tape. This enables very precise production of strands in the tobacco processing industry.
  • two support strips are provided which each form a stop for the format tape and stabilize the format tape in its transverse axial position on the left and right in the conveying direction.
  • the at least one support strip preferably has an inner surface which is designed for forming a strand.
  • the at least one support strip and / or a cover strip is or will preferably be designed as an upper format.
  • a heating bar or a cooling bar in particular as a cover strip, is provided, depending on the type of adhesive, rapid setting of the adhesive is possible.
  • the inscribed contour of an inner surface of the format tape and of the at least one support strip, in particular at the exit of the format device, preferably specifies the shape of the strand.
  • a draw format device is preferably provided downstream of the strand forming device in the conveying direction of the strand.
  • the format tape is preferably provided on the inside with a coating that increases static friction.
  • the surface of the at least one support strip or the cover strip, which is free of format tape, is preferably provided with a coating that has reduced sliding friction.
  • a ceramic coating can be provided here, for example.
  • the format tapes from Esband are, for example, types V1178 made of linen, SQW 90 made of linen / polyester and SAL75 made of aramid.
  • the format tapes from Nasta S.R.L. For example, it is the types LE354-4FCA made of linen and T1164-2FCA made of aramid.
  • the format device preferably has an upstream part in which the strand is formed, and also a downstream part which serves to further convey the formed strand and thereby ensure that the adhesive sets.
  • the second part of the format device has, for example, a cover strip which comprises a heating bar or a cooling bar in order to heat or cool the seam of the strand.
  • the longitudinal axial extent of the first part of the format device compared to the second part of the format device is preferably in a ratio of 1: 5 to 1:20, particularly preferably 1: 6 to 1:10.
  • the material strip feed device can be feed rollers via which a material strip of a corresponding width can be conveyed.
  • a material strip is usually attracted by a material strip reel and conveyed into the corresponding device.
  • the cutting device which is connected in the conveying direction of the material strip, is a longitudinal cutter which cuts the material strip in the longitudinal axial direction.
  • the gluing device adjoining the cutting device is glued At least one of the two material strips, ie the first and / or the second material strip, essentially over the entire surface, an area that can serve as a seam can also be glued at this point, ie an end section of the second material strip for closing in a later format device a seam is pressed onto the first strip of material. However, this area can also be appropriately glued or provided with adhesive in a subsequent step.
  • the gluing device can be a gluing device that corresponds to a gluing device that is used in the EP 2 974 798 A1 is described.
  • the gluing device is followed in the conveying direction by a merging device which, within the scope of the invention, preferably comprises a paper position adjustment device or paper position adjustment device, by means of which the lateral position, i.e. a relative position of the first and the second material strip to one another, namely transversely to the conveying direction, can be set in order to provide only a partial overlap of the first and second material strips, so that seen from the width of these material strips a part to the left and a part to the right survives.
  • a merging device which, within the scope of the invention, preferably comprises a paper position adjustment device or paper position adjustment device, by means of which the lateral position, i.e. a relative position of the first and the second material strip to one another, namely transversely to the conveying direction, can be set in order to provide only a partial overlap of the first and second material strips, so that seen from the width of these material strips a part to the left and a part to the right survives.
  • the device for the production of double-layered tubes of the tobacco processing industry first of all produces a tubular strand from at least two layers of a material strip. This tubular strand can then be cut to length, for example by means of a conventional knife device. Provision can also initially be made for the tubular rod produced to be fed to a further machine, for example a filter rod machine or a tobacco rod machine, in order to wrap a filter material or a tobacco material around the tubular rod. At the end, a strip of wrapping material can then be wrapped around the strand that is then formed, in order then to finally cut appropriate rods with the double-layered tubes contained therein. In order to insert a filter material or filter segment and / or a tobacco material into the tubular strand or to introduce tobacco segments, the material is applied to the spread out and superimposed strips of material.
  • a separating device which spatially separates the first material strip or the second material strip from the respective other material strip in the conveying direction after the cutting device. This allows the first and second material strips to be positioned and brought together very precisely, so that the relative lateral position to one another can be set precisely. In addition, in this case, only one strip of material can be glued cleanly.
  • first and second material strips which point in the same direction, still point in the same direction after the first and second material strip have been joined.
  • the gluing device preferably provides a full-area or approximately full-area gluing of the first and / or the second material strip.
  • a seam gluing device is preferably provided between the merging device and the format device.
  • the seam gluing device is used when the previous gluing device does not provide full-surface gluing. What is meant is the gluing that was not carried out over the entire surface in the transverse axial direction and thus a glue or an adhesive is only applied by means of the seam gluing device, which is used to close the seam.
  • a complete gluing should preferably be carried out transversely to the longitudinal axis by the gluing device and also the seam gluing device.
  • the format device preferably comprises a second heating device.
  • the second heating device can be arranged, for example, in the upper format of the format device and is used, in particular, preferably for the complete setting of the seam adhesive.
  • a cutting device is provided downstream of the format device in order to cut off tubes from the tubular strand.
  • a machine in the tobacco processing industry is provided with a device according to the invention, a rod machine being or can be connected downstream of the device according to the invention.
  • multi-layer, in particular double-layer, tubes are produced from material strip sections, which are preferably made of cardboard or paper, in which there are no overlapping seams.
  • material strip sections which are preferably made of cardboard or paper, in which there are no overlapping seams.
  • the double-layered tube is made from a paper strip that is preferably approximately twice as wide as compared to the circumference of the tube, the paper strip being cut lengthways into two strips of slightly different width, the two paper strips produced then being guided on separate paths, and preferably the wider and later outer strips is glued, preferably all glue traces are applied at the same time.
  • the two paper strips are then placed on top of each other and the paper strips placed on top of each other are fed to the format of a format device in order to form a tubular strand therefrom and the Close seam.
  • filter rods and cigarette rods are also produced that do not have overlapping seams.
  • the device presented is preferably part of a modular insertion device which, for example, can preferably be arranged between a rod machine in the tobacco processing industry and a filter tow processing machine.
  • tubular strand While the tubular strand is produced from double-layered strips of material, a correspondingly prepared filter tow is conveyed through a corresponding insertion device and above the format device and introduced into an inlet area of the strand machine. The tubular strand is also introduced into the inlet area so that the filter tow can be introduced around the tubular strand, for example, in order to be able to produce filter rods.
  • the third layer is fed as a third strip of material via a paper run of the strand machine in the feed area or infeed of the format device.
  • the third strip of material is glued, in particular over the entire surface, and wrapped around the tubular strand in abutment, that is, after the tubular strand has already been produced.
  • the abutting edges of the abutment of the third material strip are at least offset from the abutting edge of the second material strip.
  • the third material strip can be made of a different material than the first and second material strips.
  • the third strip of material can be made of paper, foil, crimped paper, electrically conductive material or tobacco foil.
  • a two-line filter tow conditioner could also be used to produce a coaxial filter from the double-layered tube or the double-layered tubular strand.
  • One filter tow is then arranged around the double-ply tubular strand and the other filter tow is inserted into the tubular strand.
  • a coaxial filter can be produced after cutting into double-layer tubes.
  • an anchor seam in the form of an adhesive is applied, for example, to the tubular strand made of double-layer material strips so that the filter tow also holds on to the tubular strand.
  • the first filter material and the second filter material can be different from one another.
  • a double-layered tube which is described above as according to the invention or preferred, is preferably used as the mouth-side end piece or as a middle piece between two filter segments of a filter of a filter cigarette or a filter of a rod-shaped article of the tobacco processing industry.
  • a rod-shaped article of the tobacco processing industry is understood in particular to be a cigarette or filter cigarette, but also to be understood as a cigarillo, a cigar, an HnB product (heat not burn) or an e-cigarette.
  • Fig. 1 shows in a schematic sectional illustration transversely to the longitudinal axis of two material strips 11 and 12 the state of the first material strip 11 and the second material strip 12 after they have been joined. It can be seen here that the first strip of material 11 has a position adhesive 17, for example a glue, on its upper side. The second material strip 12 is placed on the position adhesive 17.
  • a position adhesive 17 for example a glue
  • the first material strip 11 has edges 13 and 14 on the left and right and the second material strip 12 has edges 15 and 16 on the left and right.
  • a seam gluing 18 has been carried out on the first material strip 11, which serves to provide a bond with the part of the second material strip 12 protruding over the first material strip 11 on the right.
  • Seam gluing strips can also be provided, for example a seam gluing strip 18 on one side of the first material strip 11 and a further seam gluing strip on the opposite side of the material strip 11.
  • the gluing 17 can be carried out at the same time as the gluing 18 or, as already stated above afterwards, before the tube or tubular strand is formed, in a format device.
  • a double-layered tubular strand results in this constellation or, after cutting this strand to length, a double-layered tube, which in cross section in Fig. 2 is shown schematically.
  • the first material strip section 11 lies in the interior, the edges 13 and 14 being arranged in abutment or at a small distance from one another.
  • This abutment area 21 is not radially aligned with the abutment area 20 of the second wrapping material strip 12.
  • the edges 15 and 16 also abut or are provided with a small distance from one another.
  • the gaps in the joint areas 20 and 21 can also be provided with an adhesive. In the case of the Fig. 2 however, no glue is provided.
  • there is a better roundness since an overlap of the edge 16, for example with the second wrapping material strip 12, is not provided, but rather an alignment or an essentially circular outer contour.
  • the thicknesses of the first material strip section 11 and of the second material strip section 12 with respect to one another can be different or essentially the same. In the case of different thicknesses, it is preferred if the outer material strip section, namely material strip section 12, is thinner than the first material strip section 11. Preferred thicknesses according to the invention are described above.
  • Fig. 3 shows schematically a device according to the invention for the production of a hollow filter rod or of double-layered tubes 10 of the tobacco processing industry. In this embodiment several variants of the device according to the invention are shown simultaneously.
  • a correspondingly wide strip of base material 24 is drawn off in the conveying direction 34 from a reel (not shown) and is guided over rollers 41.
  • a cutting device 23 connects to a material strip feed device 22. In the cutting device 23, the base material strip 24 is cut in the longitudinal direction.
  • the cutting device 23 is a length cutter.
  • the cut strips of material in the form of a first strip of material 25 and a second strip of material 26 are conveyed in parallel over a further deflection roller 41 in order to then be separated from one another by means of a transverse conveyor 32 in the form of a deflection roller.
  • the second material strip 26 is essentially completely glued by means of a gluing device 27, specifically at least over the entire length.
  • This gluing device 27 can for example However, it does not necessarily have to omit the area of a seam.
  • the first strip of material 25 is conveyed separately from the second strip of material 26 and offset by means of the offset device 29 in the transverse direction to the conveying direction, so that in the pair of pulling rollers 28, by means of which the first strip of material 25 is combined with the second strip of material 26, the strips of material lie offset one on top of the other 25 and 26 is achieved.
  • the material strips are present at this point, for example, as in Fig. 1 shown schematically.
  • a heating device 35 is then provided, by means of which the applied glue or the applied adhesive 17 is pre-cured.
  • the material strips 25 and 26 placed one on top of the other are fed to a format device 30. If the seam gluing has not yet taken place, this takes place by means of the seam gluing device 36, which is arranged between the heating device 35 and the format device 30.
  • the infeed finger 44 presses the material strips down onto the format tape 43, which is guided endlessly through the format device 30 via corresponding deflection rollers 41.
  • the material strips are shaped in a known manner into a round shape or an oval shape.
  • the upper format is designed as a heated upper format 37 in order to further bind the glue or the adhesive 17.
  • correspondingly double-layered tubes can be cut to the desired length from the strand 31 formed in this way by means of the cutting device 38.
  • a filter tow 46 from a filter tow processing device which is shown in FIG Fig. 3 is not shown, but it is in Fig. 3 would be arranged to the right of the device shown, are guided above the format 30 over the device according to the invention and are fed to the strand machine 40 in the conveying direction 47 by a pair of pulling rollers 42.
  • the filter tow 46 can then be arranged around the tubular strand 31, for example.
  • an adhesive for example PVA
  • an anchor suture device 45 In order for the filter tow to hold on to the tubular strand 31, an adhesive, for example PVA, is applied to the tubular strand 31 by means of an anchor suture device 45.
  • a wrapping material strip can accordingly be wound around the strand made up of an internal tubular strand and an external filter tow in a format device and a corresponding filter can thus be produced.
  • a filter suitable for this has an inner tube 10, around which a filter tow 48 is arranged on the outside, around which a wrapping material 49 is arranged.
  • the gluing device 27 and the seam gluing device 36 can be used as flat nozzles, spinning spray nozzles or according to EP 2 974 798 A1 be trained.
  • a flat application of adhesive or glue is preferably carried out here.
  • the heating device 35 can optionally be provided. This essentially serves to pre-harden or pre-harden the adhesive.
  • Corresponding sensors that detect the position of the edges of the material strips can be provided for the precise alignment of the paper webs relative to one another, in particular in order to set the correct offset in width. Corresponding regulating mechanisms can then be provided in order to regulate the position of the material strips with respect to one another.
  • the material strip can be pre-bent immediately before the format device or immediately after the longitudinal cutter.
  • the double-layered tube can have an inside diameter of, for example, 3 mm to 8 mm.
  • Fig. 4 shows schematically in a sectional view a format device of a strand-forming device according to the invention.
  • the format device 30 has a sub-format 60 into which a format tape 43 that is less wide than in the prior art is introduced.
  • Two support strips 61 and 62 adjoin the lower format 60 at the top, which in their inner surfaces 71 and 73 define the outer contour of a strand to be shaped.
  • the inner surfaces 71 and 73 correspond to a type of extension of the inner surface 70 of the format tape 43.
  • a cover strip 63 which is designed as a heating bar, which has an inner surface 72 which also has a corresponding curvature in the contour, which also defines the outer contour of the strand to be formed.
  • a tubular strand is shown as an example, which is formed from a first strip of material 25 and a second strip of material 26.
  • an upper format 64 is formed from two support strips 61 and 62 and a cover strip 63.
  • the two support strips 61 and 62 have stops 65 and 66 which limit the transverse axial position of the format tape 43.
  • Fig. 5 shows another embodiment of a format device 30 of a strand-forming device according to the invention in a sectional illustration.
  • a sub-format 60 is provided, which is designed to accommodate the format tape 43 and corresponding cover strips 74 and 75 are provided which have inner surfaces 71 and 73 which, together with the inner surface of the format tape 43, form a contour which the through opening 56 the format device 30 limit.
  • This section through the format device 30 is arranged fairly at the end of the first part of a format device 30, that is to say in an upstream part of the format device. In a downstream part, the format device 30 can then as in FIG Fig. 6 look shown.
  • a cover strip 63 is also provided there. These three elements then form the upper format 64.
  • the cover strip 63 can serve, for example, for heating or cooling the strand formed in order to allow the adhesive to set more quickly.
  • cover strips 74 and 75 also serve as support strips 61 and 62 and have corresponding stops 65 and 66 in order to limit or stabilize the transverse axial position of the format tape 43.
  • Fig. 7 shows a schematic view of a rod machine according to the invention in the tobacco processing industry. Similar to in Fig. 3 a base material strip 24 is deflected over a few deflection rollers 41, cut in a cutting device 23 and separated into a first material strip 25 and a second material strip 26. The second strip of material 26 is then glued, preferably over its entire surface, with a corresponding gluing device 27 or seam gluing device 36, and placed one on top of the other shortly in front of a format device 30, brought together and thus glued.
  • the format device 30 has the features according to the invention, which in particular with respect to the Figures 4 to 6 are described.
  • a lower format 60 and an upper format 64 are accordingly provided.
  • the upper format 64 has stops 65, 66 flanking the lower format 60 in order to limit the transverse axial position of the format tape 43.
  • a strand 31 is formed in the conveying direction 55 and is transferred to a train format device 81.
  • a wrapping material strip 80 which is glued by means of a gluing device 27 ', is wrapped in the pull format device 81.
  • the pull format device 81 pulls the strand 31 formed in the conveying direction 55.
  • Shown in FIG Fig. 7 is the formation of a hollow tube as a strand 31.
  • tobacco material or filter material can also be applied to the material strip, so that a tobacco rod or a filter rod can be formed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
EP18153141.9A 2017-02-01 2018-01-24 Verfahren zum herstellen eines strangs der tabak verarbeitenden industrie sowie strangformungsvorrichtung Active EP3357354B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL18153141T PL3357354T3 (pl) 2017-02-01 2018-01-24 Sposób wytwarzania pasma w przemyśle przetwórstwa tytoniu oraz urządzenie do formowania pasma

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017101929.4A DE102017101929A1 (de) 2017-02-01 2017-02-01 Verfahren zum Herstellen eines Strangs der Tabak verarbeitenden Industrie sowie Strangformungsvorrichtung

Publications (2)

Publication Number Publication Date
EP3357354A1 EP3357354A1 (de) 2018-08-08
EP3357354B1 true EP3357354B1 (de) 2020-09-30

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Country Link
EP (1) EP3357354B1 (zh)
JP (1) JP2018121628A (zh)
KR (1) KR20180089856A (zh)
CN (1) CN108371342B (zh)
DE (1) DE102017101929A1 (zh)
PL (1) PL3357354T3 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4096911B1 (de) * 2020-03-16 2024-07-03 Körber Technologies GmbH Vorrichtung zur herstellung von hohlrohren, insbesondere trinkhalmen, und verfahren hierzu

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017106992A1 (de) 2017-03-31 2018-10-04 Hauni Maschinenbau Gmbh Verfahren zum Herstellen von wenigstens doppellagigen rohrförmigen Strängen der Tabak verarbeitenden Industrie sowie Vorrichtung zur Herstellung von wenigstens doppellagigen Strängen der Tabak verarbeitenden Industrie
DE102018122121A1 (de) 2018-09-11 2020-03-12 Hauni Maschinenbau Gmbh Herstellung von mehrlagigen Hohlrohren
DE102020102722A1 (de) * 2020-02-04 2021-08-05 Hauni Maschinenbau Gmbh Trinkhalmherstellung
IT202000003952A1 (it) * 2020-02-26 2021-08-26 Gd Spa Macchina e metodo per la realizzazione di un tubolare continuo da materiale in nastro
CN114847514B (zh) * 2022-04-18 2023-07-18 河南中烟工业有限责任公司 用于烟草卷烟滤嘴的平整截断机
DE102022116045A1 (de) * 2022-06-28 2023-12-28 Körber Technologies Gmbh Vorrichtung und Verfahren zur Herstellung von Hohlrohren

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US3828658A (en) 1971-05-21 1974-08-13 Efka Werke Kiehn Gmbh Fritz Method and apparatus for producing cigarette filter sleeves
GB1400421A (en) 1971-08-13 1975-07-16 Hauni Werke Koerber & Co Kg Mouthpiece tubes or sleeves for cigarettes or the like
DE3235510A1 (de) 1981-09-25 1983-04-07 Molins PLC, London Verfahren und vorrichtung zum herstellen eines zusammengesetzten filterstrangs
DE3603748A1 (de) 1985-02-16 1986-08-21 Molins PLC, London Vorrichtung zum herstellen eines kontinuierlichen roehrchens der tabakverarbeitenden industrie
US20040005975A1 (en) 2002-07-01 2004-01-08 Garthaffner Martin T. Multiple garniture belt drive system for filter rod machinery
WO2012069114A2 (de) 2010-11-22 2012-05-31 Hauni Maschinenbau Ag Formatsystem und formatteile für eine strangherstellmaschine der tabakverarbeitenden industrie
EP2845499A1 (en) 2012-10-31 2015-03-11 Japan Tobacco, Inc. Paper tube manufacturing machine, manufacturing method for same, and paper tube manufactured by said manufacturing method
EP3033952A2 (de) 2014-12-16 2016-06-22 HAUNI Maschinenbau AG Doppellagiges röhrchen der tabak verarbeitenden industrie sowie vorrichtung und verfahren zur herstellung eines derartigen röhrchens

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CA848404A (en) * 1969-06-19 1970-08-04 Di Ianni Daniel Method and apparatus for making tubes
BE756514A (fr) * 1969-10-06 1971-03-01 Kastner Arnold Machine pour la fabrication de tubes pour cigarettes
LU72117A1 (zh) 1975-03-24 1975-08-20
DE3248322T1 (de) * 1981-06-03 1983-06-01 Molins PLC, London Zigarettenfertigung
US5169481A (en) * 1990-03-16 1992-12-08 Philip Morris Incorporated Apparatus making thin laminate structures and forming the structures into lightweight, thin-walled tubes
DE19721143A1 (de) * 1997-05-21 1998-11-26 Focke & Co Verfahren und Vorrichtung zum Herstellen eines (Zigaretten-)Strangs
DE102011010167B4 (de) * 2011-02-02 2012-12-06 Hauni Maschinenbau Ag Strangherstellmaschine zur Herstellung von Produkten der Tabak verarbeitenden Industrie und Formatteil für eine Strangherstellmaschine
DE102014213858B3 (de) 2014-07-16 2015-11-12 Hauni Maschinenbau Ag Vorrichtung zum Auftragen einer Leimspur auf einen Umhüllungsstreifen eines stabförmigen Produktes der Tabak verarbeitenden Industrie

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Publication number Priority date Publication date Assignee Title
US3717537A (en) 1967-02-21 1973-02-20 Molins Machine Co Ltd Continuous webs
US3828658A (en) 1971-05-21 1974-08-13 Efka Werke Kiehn Gmbh Fritz Method and apparatus for producing cigarette filter sleeves
GB1400421A (en) 1971-08-13 1975-07-16 Hauni Werke Koerber & Co Kg Mouthpiece tubes or sleeves for cigarettes or the like
DE3235510A1 (de) 1981-09-25 1983-04-07 Molins PLC, London Verfahren und vorrichtung zum herstellen eines zusammengesetzten filterstrangs
DE3603748A1 (de) 1985-02-16 1986-08-21 Molins PLC, London Vorrichtung zum herstellen eines kontinuierlichen roehrchens der tabakverarbeitenden industrie
US20040005975A1 (en) 2002-07-01 2004-01-08 Garthaffner Martin T. Multiple garniture belt drive system for filter rod machinery
WO2012069114A2 (de) 2010-11-22 2012-05-31 Hauni Maschinenbau Ag Formatsystem und formatteile für eine strangherstellmaschine der tabakverarbeitenden industrie
EP2845499A1 (en) 2012-10-31 2015-03-11 Japan Tobacco, Inc. Paper tube manufacturing machine, manufacturing method for same, and paper tube manufactured by said manufacturing method
EP3033952A2 (de) 2014-12-16 2016-06-22 HAUNI Maschinenbau AG Doppellagiges röhrchen der tabak verarbeitenden industrie sowie vorrichtung und verfahren zur herstellung eines derartigen röhrchens

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EP4096911B1 (de) * 2020-03-16 2024-07-03 Körber Technologies GmbH Vorrichtung zur herstellung von hohlrohren, insbesondere trinkhalmen, und verfahren hierzu

Also Published As

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CN108371342B (zh) 2022-06-24
KR20180089856A (ko) 2018-08-09
CN108371342A (zh) 2018-08-07
JP2018121628A (ja) 2018-08-09
EP3357354A1 (de) 2018-08-08
DE102017101929A1 (de) 2018-08-02
PL3357354T3 (pl) 2021-04-06

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