EP2563672A1 - Method and device for producing and filling packaging means - Google Patents

Method and device for producing and filling packaging means

Info

Publication number
EP2563672A1
EP2563672A1 EP11718010A EP11718010A EP2563672A1 EP 2563672 A1 EP2563672 A1 EP 2563672A1 EP 11718010 A EP11718010 A EP 11718010A EP 11718010 A EP11718010 A EP 11718010A EP 2563672 A1 EP2563672 A1 EP 2563672A1
Authority
EP
European Patent Office
Prior art keywords
hose
tube
filling
pieces
symmetry
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
EP11718010A
Other languages
German (de)
French (fr)
Other versions
EP2563672B1 (en
Inventor
Thomas Knoke
Rüdiger Grosse-Heitmeyer
Thomas Hawighorst
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Priority to PL11718010T priority Critical patent/PL2563672T3/en
Publication of EP2563672A1 publication Critical patent/EP2563672A1/en
Application granted granted Critical
Publication of EP2563672B1 publication Critical patent/EP2563672B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/14Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for incorporating, or forming and incorporating, handles or suspension means in packages
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/02Machines characterised by the incorporation of means for making the containers or receptacles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/30Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by grippers engaging opposed walls, e.g. suction-operated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/46Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers
    • B65B43/465Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers for bags
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10Applying or generating heat or pressure or combinations thereof
    • B65B51/14Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
    • B65B51/146Closing bags
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10Applying or generating heat or pressure or combinations thereof
    • B65B51/26Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
    • B65B51/30Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/13Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the preformed tubular webs being supplied in a flattened state
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING 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
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00Flexible containers made from webs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING 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
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00Flexible containers made from webs
    • B31B2155/003Flexible containers made from webs starting from tubular webs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING 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
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00Shape of flexible containers
    • B31B2160/20Shape of flexible containers with structural provision for thickness of contents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING 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
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2170/00Construction of flexible containers
    • B31B2170/30Construction of flexible containers having corrugated or pleated walls
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING 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
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00Making flexible containers, e.g. envelopes or bags
    • B31B70/74Auxiliary operations
    • B31B70/86Forming integral handles or mounting separate handles
    • B31B70/872Forming integral handles on bags
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING 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
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00Making flexible containers, e.g. envelopes or bags
    • B31B70/74Auxiliary operations
    • B31B70/92Delivering
    • B31B70/94Delivering singly or in succession
    • B31B70/942Delivering singly or in succession by winding up
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/28Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for discharging completed packages from machines

Definitions

  • the invention relates to a method and an apparatus for producing and filling packaging materials.
  • FFS Form, Fill and Seal
  • the operation and performance of these machines are very different in the various engineering fields. If the quantity and the mass of the packaging material produced and filled per unit time is taken as an expression of efficiency, then take in this context FFS machines for filling industrial bulk materials, as described in DE 10 2004 034 489 A1, EP 1 201 539 B1 or EP 1 623 926 A2, a leading role: with such machines, it is possible to fill more than 2000 bags per hour with granular bulk material and to close the bags. Many of these bags weigh 50 kg and more.
  • the aforementioned FFS machines generally carry out the following method steps for forming, filling and closing the bags:
  • tubular sheet material having a main axis of symmetry and two tube edges parallel thereto is unwound in the direction of the main axis of symmetry of the tube from a roll, -
  • the tubular material is provided by a welding and cutting process with a first transverse to the tube axis transverse weld and separated along a parallel to this transverse weld seam dividing line, so that unilaterally open isolated pieces of tubing arise,
  • the still open end of the unilaterally open hose pieces is provided with a second weld, which is also perpendicular to the hose axis.
  • the object of the present invention is therefore to propose a method and a device with which a packaging material suitable for consumer products can be produced and filled and which reduces the manufacturing and filling costs of this packaging.
  • bags are formed which have been filled through one of their two wider sides.
  • the two broad sides of the bag thus produced are formed by the transverse welds.
  • the narrower sides are represented by the original edges of the hose. It has proved to be advantageous if the tube on which the bag is based, at least at one of its edges - advantageously on all two - has a gusset. In this case, the often unfolded as a result of the filling gusset can serve as a bottom of the bag. So the sack can stand on one of its narrow sides.
  • an opening aid This can be introduced into the edge region of the hose - after or before its separation.
  • Such an opening aid may consist in a perforation.
  • perforations extending through the material are undesirable.
  • alternative methods for weakening the material can be used, or it can be used material that is weakened at a certain point from the beginning.
  • components of reclosures such as slide rails can be introduced in the often continuous tube formation in the tubing.
  • Other components of such reclosure, particularly those that are individually associated with a single bag - such as a slider head - may be introduced when the tubing is moved intermittently before or after its singulation. This is the case in many parts of the FFS machine.
  • the term dividing line and transverse weld can be explained again.
  • the transverse weld and the separating cut are performed.
  • the separating cut is located on the side of the transverse weld on which the opening of the next piece of tubing, which has not yet been opened, is located. This ensures that this opening remains open for filling.
  • the term working width is known as the distance between the edges of the flattened tube, that is, the tube width.
  • the maximum working width of such an FFS machine is an important machine characteristic that is determined by the various machine components of the machine. These machine components include, among others, the welding and separating devices, the various transport devices - here the gripping devices are not negligible - and the unwinding station. Of course, the maximum working widths of these components are matched. As a rule, the maximum working width of the machine should be based on the machine component with the smallest working width.
  • the bag bottom and, in particular, the still fresh first transverse weld seam are supported during filling by a bag bottom support device.
  • Sack bottom support device is often used at the same time for removing the bags from the filling station.
  • the Sack foundedunterstützungsund transport device is often designed as a conveyor belt 24.
  • other mobile and stationary bag bottom support devices are also in use at this point.
  • the maximum working width of the device is greater than or equal to the distance (A), the support surface of the bag bottom support device and the opening of the unilaterally open hose pieces in the filling station in the vertical direction (y) to each other. If there is a height difference within the support surface of the bag bottom support device, it is advantageous to use that part of the surface which supports the fresh transverse weld to measure the distance. Furthermore, it has proved to be advantageous to use the - of course in the vertical direction - deepest part of the activated or the activatable contact surface of the support surface of the bag bottom support device for this purpose.
  • the activated area is the area that corresponds to the set working width is occupied by the bag bottom.
  • the activatable area is the area occupied by a bag bottom of maximum working width.
  • the filling nozzle and / or the weighing container of the balance in a centric manner with respect to the broad side of the bag, ie the respective working width of the machine.
  • the line of symmetry of the filler neck and / or the weighing container to the axis of symmetry of the piece of tubing, which has formed the main axis of symmetry of the film tube prior to singulation are displaced relative to each other during the filling in the direction of the width of the tube piece.
  • the vibrator often below the activatable surface, which is intended to bring about material compaction in the bag being filled, along the direction of the width of the bag, acentric to said axis of symmetry of the length of tubing.
  • FIG. 1 side view of an FFS machine
  • Fig. 2 shows a film tube, which is used to carry out the inventive method is suitable
  • Fig. 3 shows a first unilaterally open hose piece in its position in a
  • Fig. 4 A produced by a method according to the invention
  • Fig. 5 shows a second unilaterally open piece of tubing in its position in one
  • FIG. 6 shows a sectional view of objects illustrated in FIG. 5 from the viewing direction represented by the arrows 67
  • FIG. 1 shows an FFS machine.
  • This device 1 comprises a support arm 2, on which a winding 3 with tubular film 4 rests.
  • the tubular film 4 has not shown in Figure 1 gussets 41.
  • the transport rollers 5, which can also be driven in part, provide for a, usually continuous, development of the tubular film 4.
  • the acted upon by a piston-cylinder unit 10 with a load lever 9, which carries a guide roller 6 and a total is often referred to as a dancer, and the transport roller 7, 8 and the feed roller pair 15 provide a total of known per se for the fact that the tubular film 4 is intermittently moved on their further transport cycle intermittently.
  • the transport roller 8a is part of a register device 29, with which the length of the transport path of the tubular film 4 can be adapted to the format of the later bags.
  • the transport roller 8a is arranged relative to the device 1 so as to be displaceable.
  • To move is a manual or electric motor operated and known per se spindle drive available.
  • the tubular film 4 passes through a station 28 for the introduction of grip holes 43.
  • This station 28 consists essentially of a punching or cutting tool and an abutment. It is possible, instead of or in addition to this station 28, to provide means for applying welds, for example diagonal or corner welds 46 and / or contour welds.
  • a station 69 for introducing Eckabsch bulkungen 46 located in the figure 1 . The illustration in Figure 1 leaves open whether the respective stations 28 and 69 can handle holes 23 or Eckabsch contendungen 46 at both edges 50 and 51 of the tubular material 4 or whether they can do this only on one side 50, 51.
  • the station 69 it is advantageous to set up at least the station 69 such that it optionally generates corner welds 50, 51 on one side 50, 51 or on both sides.
  • the pouches 60 shown below, the corner welds 46 on only one of their sides 51, or normal FFS sacks with four corner welds 46 may be made.
  • An advantageous way of such a connectability is an activatability or deactivability of at least one processing page via a control device.
  • the bag 60 contains corner welds on one of its sides 51 and hold holes 43 on the other side 50, the above also applies in principle to the station 28 for the insertion of handle holes 43.
  • a station 28 for inserting handle holes 43 may be combined with a device that provides joining seams 52. If such a device is introduced into the device 1 independently of the station 28, the same applies to its positioning to the tube edges 50, 51 and for their controllability as for the station 28th
  • the punching or cutting process or the welding process at these stations is advantageously carried out during the stoppage phases of the intermittent transport.
  • tubular film 4 is conveyed to a cooling station 12, in which the welds are cooled.
  • the tubular film 4 is pushed through the welding jaws 33 of a transverse welding station 13 and through a cross-cutting station 16.
  • the tools of the transverse welding station 13 and the cross cutting station 16 can be moved in a manner not described in detail, for example by a parallelogram 14, in planes orthogonal to the feed direction of the tubular film 4 to and from this.
  • a piece of tubing 18 is separated from the tubular film 4 above the gripper 17 in the cross-cutting station 16.
  • a transverse weld 42 is attached, which represents the bottom or the head side of the hose piece 18 to be formed in the next working cycle of the device 1. Accordingly, 13 head seams are generated in the transverse welding station.
  • the manufacture of the head or bottom seams may not only be effected by transverse welding, although preferably, but also other joining methods, such as gluing, are conceivable.
  • the grippers 17 convey the tube piece 18 to a transfer point at which further grippers 19 grasp the tube piece 18 and transport it to a filling station 20. There, the tube piece 18 is transferred to stationary gripper 21 and opened by the suckers 22, so that the contents, which is passed through the filler neck 23, can get into the tube piece 18.
  • the tube piece 18 rests with its lower end on a conveyor belt 24, so that the hose piece 18 is not excessively loaded along its longitudinal edges during the filling process.
  • Further grippers 25 convey the filled tube piece to the head or bottom seam welding station 26, in which the tube piece 18 is closed with a top or bottom weld seam and thus forms a finished bag 27. Also, the closing of the tube piece 18 in its head area can be done by a different joining method.
  • the finished bag 27 is guided out of the device 1 by the conveyor belt 24.
  • the bag 27 is much higher (in the y-direction) than wide (in the x-direction).
  • a method according to the invention can also be carried out:
  • the distance 61 between the opening 62 of the tube piece 18 and the support surface 58 and the height 59 of the bag opening 62 must be adjustable or fixed so that it 61 is less than or equal to the maximum working width of the device. 1 , In the figure 5, however, a support surface 58 is shown, which has height differences, since it is inclined by the angle ⁇ relative to the horizontal 66, and since it is designed channel-shaped in the direction of the bag width 64, as Figure 6 shows. In such a case, it is often advantageous to measure from the lowest part of the activatable contact surface 71 of the support surface 58 from the distance 61 to the opening of the hose piece 18 in the filling position. This is illustrated in FIGS. 5 and 6.
  • the activatable contact area is the area occupied by a bag bottom when producing at maximum working width.
  • Eckabsch spaungsvorraumen devices for introducing a handle 28 and / or devices for applying at least one welding or joining seam 52, which are preferably provided on an edge of the film tube or the individual pieces of tubing. These may occupy the position of the station sketched in FIG. 1 for the purpose of introducing grip holes 28, but they may also be attached later in the transport direction of the tubular film 4. About the positioning of this station to the tube edges and the activability of this station has already been said a lot.
  • the material intake of the hose piece 18 and its weight distribution are often not symmetrical with respect to the main axis of symmetry 65.
  • the filling nozzle 32 of the filling station may also be advantageous to position the filling nozzle 32 of the filling station relative to the filling position of the hose piece 18 in the filling station along the bag width 64 in such a way that the Symmetry line 70 of the filler neck 23 and the main symmetry line 65 of the tube 4 are shifted from each other.
  • the vibrator can be arranged acentric to the main symmetry line 65 of the tube 4.
  • FIG. 4 It is advantageous if the central area of the support surface 58 has an angle ⁇ with respect to a horizontal 66. This situation is shown in FIG. It is advantageous to provide the FFS machine with pivotable support surfaces, which is indicated by the arrow 57. In a device 1 as shown in Figure 1, it is possible to pivot the support surfaces 58 relative to the conveyor belt 24. However, the entire conveyor belt 24 can also be “tilted” as desired.
  • Figure 1 also shows a vibrator 72 which is mounted below the filling station below the conveyor and which can impart vibrations to the bag 28 in the filling station to fill it Material to compact.
  • Pouches 60 form a predominantly circular cylindrical cross-section after being filled. It is therefore advantageous to emboss the trough-shaped or trough-shaped supporting surface which is just shown in FIG. Because of the corner welds 46, the filled pouch 60 has a trapezoidal shape in side view, that is to say that the diameter in the pouch shown in FIG. 4 increases upward, ie here in the x direction.
  • the cross-sectional area of the bag 60 in Figure 4 thus behaves at least partially like that of an upside-down circular cone is thus frustoconical. It is advantageous if the support surface 58 for the production of these bags is also adapted to their cross-sectional shape and is shaped like the negative of this truncated cone shape of the bag 60.
  • FIG. 2 A film tube 4, which is suitable for carrying out the method according to the invention is shown in Figure 2.
  • the figure 2 is shown for reasons of clarity, as the film tube 4 is subtracted from the winding 3 in the direction of its main axis of symmetry (dotted line) 65. Between its edges 50 and 51, this hose 4 has a width 64.
  • the hose is an unprocessed flat or gusseted hose.
  • the tube shown in Figure 2 has some additional features such as the handle holes 43 and the longitudinal slot 52.
  • the longitudinal gap 52 can be produced in the hose formation, for example by the addition of extrudate.
  • FIG 3 is an unfilled, unilaterally open hose piece 18 can be seen. Much of its features have already been mentioned in relation to the tube 4 in FIG. In addition, however, the length of tubing 18 includes the corner welds 46, the zipper 54, and the transverse weld 42 attached thereto 18 in the dedicated equipment of an FFS machine. The tube piece 18 hangs on the grippers 21 in the filling station and is ready to be filled through its opening 62, as indicated by the arrow 56.
  • FIG. 4 shows a filled bag 60. He has again largely the same features as the hose 4 in Figure 2 and the hose piece 18 in Figure 3. However, the bag 60 is on the tube edge 52, which has a gusset 41, which forms a stable floor here. As already mentioned, due to the corner welds 46, a trapezoidal front surface of the filled bag is formed. Here, the Eckabsch spazier are shown in Figures 4 and 5 arcuate, as they are pressed in filled bags 60 or hose pieces against the outer walls of the respective packaging semi-finished product 60, 18. The transverse welds 42, which received the semi-finished bag products 4, 18 on the way through the FFS machine, now form the side walls of the bag 60.
  • FIG. 5 shows a hose piece 18 which has already been filled through its opening 62 and again offers a trapezoidal front view. The piece of tubing still hangs on the grippers 21. The alignment and shaping of the support surface 58 has already been pointed out above.
  • the distance 61 is represented as a vertical distance (y) between the intersection of the blind opening 62 and the main axis of symmetry 65 and the lowest point of the support surface 58 at the end of the activatable contact surface 71.
  • this point is at the same time the point of the activatable contact surface 71 which is furthest away from the blind opening.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Abstract

The invention relates to a method for producing and filling packaging means (60), in which the following method steps are carried out: unwinding a flat tubular film material (4) from a reel (3) along the main axis of symmetry (65) of the tube (4), providing the tubular material (4) with a first transverse weld seam (42) that is perpendicular to the tube axis (65) and separating the material along a separating line by means of a welding and separating process, filling the tube pieces (18) thus created, which are open on one side, and providing the still open end (62) of the tube pieces (18) open on one side with a second transverse weld seam (42). It is considered to be novel and inventive that two consecutive separating lines (42) are introduced in the tube (4) at a distance (61) that is less than the distance (64) between the two edges (50, 51) of the tube (4). In addition, the invention relates to a device (1) having features that allow the method to be carried out.

Description

Verfahren und eine Vorrichtung zur Herstellung und Befüllung von  Method and device for producing and filling of
Verpackungsmitteln  packing
Die Erfindung betrifft ein Verfahren und eine Vorrichtung zur Herstellung und Befüllung von Verpackungsmitteln. The invention relates to a method and an apparatus for producing and filling packaging materials.
Zur Herstellung und Befüllung von Verpackungsmitteln sind die verschiedensten Verfahren bekannt. In den verschiedensten Technikbereichen werden Maschinen, die verschließbare und verschlossene Verpackungsmittel herstellen und befüllen, FFS-Maschinen (Form, Fill and Seal-Maschinen) genannt. Jedoch sind die Arbeitsweise und die Leistungsfähigkeit dieser Maschinen in den verschiedenen Technikbereichen sehr unterschiedlich. Wenn als Ausdruck von Leistungsfähigkeit die Menge und die Masse der pro Zeiteinheit hergestellten und befüllten Verpackungsmittel herangezogen wird, dann nehmen in diesem Zusammenhang FFS-Maschinen zur Abfüllung von industriellen Schüttgütern, wie sie in der DE 10 2004 034 489 A1 , der EP 1 201 539 B1 oder der EP 1 623 926 A2 beschrieben werden, eine führende Rolle ein: mit derartigen Maschinen ist es möglich, mehr als 2000 Säcke in der Stunde mit granulatartigem Schüttgut zu befüllen und die Säcke zu verschließen. Viele dieser Säcke wiegen 50 kg und mehr. Die vorgenannten FFS-Maschinen führen in der Regel folgende Verfahrensschritte zur Bildung, Befüllung und zum Verschließen der Säcke durch: For the production and filling of packaging materials a variety of methods are known. In a wide range of technical fields, machines that produce and fill sealable and sealed packaging materials are called FFS (Form, Fill and Seal) machines. However, the operation and performance of these machines are very different in the various engineering fields. If the quantity and the mass of the packaging material produced and filled per unit time is taken as an expression of efficiency, then take in this context FFS machines for filling industrial bulk materials, as described in DE 10 2004 034 489 A1, EP 1 201 539 B1 or EP 1 623 926 A2, a leading role: with such machines, it is possible to fill more than 2000 bags per hour with granular bulk material and to close the bags. Many of these bags weigh 50 kg and more. The aforementioned FFS machines generally carry out the following method steps for forming, filling and closing the bags:
- flachgelegtes schlauchförmiges Folienmaterial, das eine Hauptsymmetrieachse und zwei dazu parallele Schlauchränder aufweist, wird in Richtung der Hauptsymmetrieachse des Schlauches von einer Rolle abgewickelt, - das schlauchförmige Material wird durch einen Schweiß- und Trennvorgang mit einer ersten zur Schlauchachse senkrechten Querschweißnaht versehen und entlang einer parallel zu dieser Querschweißnaht verlaufenden Trennlinie getrennt, so dass einseitig offene vereinzelte Schlauchstücke entstehen, flattened tubular sheet material having a main axis of symmetry and two tube edges parallel thereto is unwound in the direction of the main axis of symmetry of the tube from a roll, - The tubular material is provided by a welding and cutting process with a first transverse to the tube axis transverse weld and separated along a parallel to this transverse weld seam dividing line, so that unilaterally open isolated pieces of tubing arise,
- die einseitig offenen Schlauchstücke werden in der Abfüllstation mit der Schwerkraft durch ihr noch offenes Ende mit einem Füllmaterial befüllt, - The unilaterally open pieces of hose are filled in the filling station with gravity through its still open end with a filling material,
- das noch offene Ende der einseitig offenen Schlauchstücke wird mit einer zweiten Schweißnaht, die ebenfalls senkrecht zur Schlauchachse verläuft, versehen. - The still open end of the unilaterally open hose pieces is provided with a second weld, which is also perpendicular to the hose axis.
In neuerer Zeit sind auch vergleichbare Maschinen bekannt geworden, die pulverförmiges, zur Nebelbildung tendierendes Schüttgut in ähnlicher Weise abfüllen. Oft benutzen diese Maschinen zu der Abfüllung des Befüllgutes eine Schraube, um zu vermeiden, dass sich durch den ungebremsten Fall des Schüttgutes zu viel Nebel bildet, der der anschließenden Querschweißung entgegenwirken könnte. Eine solche Maschine wird in der EP 2 024 231 B1 vorgestellt. In more recent times, comparable machines have become known which fill powdery bulk material which tends to form mist in a similar manner. Often, these machines use a screw to fill the filling material in order to avoid that too much mist forms due to the unbraked fall of the bulk material, which could counteract the subsequent transverse welding. Such a machine is presented in EP 2 024 231 B1.
Im Bereich der Consumer-Produkte werden ähnliche Verfahren eingesetzt, jedoch gelingt es in der Regel nicht, die vorstehend erwähnten Abfüllgeschwindigkeiten zu erreichen. Dieser Umstand ist zu beklagen, da er die betreffenden Verpackungen und Produkte verteuert.  In the field of consumer products similar procedures are used, but it is usually not possible to achieve the above-mentioned filling speeds. This circumstance is to be complained because it makes the relevant packaging and products more expensive.
Die Aufgabe der vorliegenden Erfindung besteht daher darin, ein Verfahren und eine Vorrichtung vorzuschlagen, mit der sich ein für Consumer-Produkte geeignetes Verpackungsmittel herstellen und befüllen lässt und das die Herstell- und Befüllkosten dieser Verpackung senkt. The object of the present invention is therefore to propose a method and a device with which a packaging material suitable for consumer products can be produced and filled and which reduces the manufacturing and filling costs of this packaging.
Die Aufgabe wird durch die Merkmale der Ansprüche 1 und 1 1 gelöst. The object is solved by the features of claims 1 and 1 1.
Bei der Anwendung der vorliegenden Erfindung entstehen daher Beutel, die durch eine ihrer beiden breiteren Seiten befüllt worden sind. In the practice of the present invention, therefore, bags are formed which have been filled through one of their two wider sides.
Die durch das Verfahren erreichte Effizienzsteigerung lässt sich zum Teil dadurch erklären, dass die Schüttgüter, mit denen die Säcke befüllt werden, mit der Schwerkraft durch eine breite Öffnung hindurch in die Beutel geschüttet werden. Die noch offene Öffnung, durch die die Befüllung vorgenommen worden ist, wird wie oben erwähnt anschließend mit einer Querschweißung verschlossen. The increase in efficiency achieved by the process can be partly explained by the fact that the bulk materials with which the sacks are filled are poured by gravity through a wide opening into the bags. The still open opening through which the filling is made is, as mentioned above, then sealed with a transverse weld.
Die beiden breiten Seiten des so hergestellten Beutels werden durch die Querschweißungen gebildet. Die schmaleren Seiten werden von den ursprünglichen Rändern des Schlauches dargestellt. Es hat sich als vorteilhaft erwiesen, wenn der Schlauch, der der Beutelherstellung zugrunde liegt, zumindest an einem seiner Ränder - vorteilhafterweise an allen beiden - eine Seitenfalte aufweist. In diesem Fall kann die infolge der Befüllung ohnedies oft aufgeklappte Seitenfalte als Standboden des Sackes dienen. Der Sack kann also auf einer seiner schmalen Seiten stehen.  The two broad sides of the bag thus produced are formed by the transverse welds. The narrower sides are represented by the original edges of the hose. It has proved to be advantageous if the tube on which the bag is based, at least at one of its edges - advantageously on all two - has a gusset. In this case, the often unfolded as a result of the filling gusset can serve as a bottom of the bag. So the sack can stand on one of its narrow sides.
Es ist vorteilhaft, den Beutel mit einer Öffnungshilfe zu versehen. Diese kann in den Randbereich des Schlauches - nach oder vor seiner Vereinzelung - eingebracht werden. Eine solche Öffnungshilfe kann in einer Perforation bestehen. Insbesondere im Lebensmittelbereich sind jedoch durch das Material hindurchreichende Perforationen unerwünscht. Hier können auch alternative Verfahren zur Materialschwächung eingesetzt werden, oder es kann Material zum Einsatz kommen, das an einer bestimmten Stelle von Anfang an geschwächt ist. Oft ist es vorteilhaft, solche Öffnungshilfen bei der Schlauchbildung in den Schlauch einzubringen. So kann in einer Schlauchmaschine an der betreffenden Stelle des Schlauchumfanges ein Perforiermesser mitlaufen. Diese Stelle kann die mittlere Falte der Seitenfalte sein. It is advantageous to provide the bag with an opening aid. This can be introduced into the edge region of the hose - after or before its separation. Such an opening aid may consist in a perforation. However, especially in the food industry, perforations extending through the material are undesirable. Here, alternative methods for weakening the material can be used, or it can be used material that is weakened at a certain point from the beginning. Often it is advantageous to introduce such opening aids in the hose formation in the hose. Thus, in a hose machine at the relevant point of the circumference of the hose run along a perforator. This location can be the middle fold of the gusset.
Auch Komponenten von Wiederverschlüssen wie Sliderschienen können bei der oft kontinuierlichen Schlauchbildung in das Schlauchmaterial eingebracht werden. Andere Komponenten eines solchen Wiederverschlusses, insbesondere diejenigen, die einem einzigen Beutel individuell zugeordnet werden - wie ein Sliderkopf - können eingebracht werden, wenn das Schlauchmaterial vor oder nach seiner Vereinzelung intermittierend bewegt wird. Dies ist in weiten Teilen der FFS-Maschine der Fall.  Also components of reclosures such as slide rails can be introduced in the often continuous tube formation in the tubing. Other components of such reclosure, particularly those that are individually associated with a single bag - such as a slider head - may be introduced when the tubing is moved intermittently before or after its singulation. This is the case in many parts of the FFS machine.
In dieser Phase ist es auch möglich, an einem oder beiden Rändern des Schlauchmaterials - also in dem Bereich der schmalen Seite des Beutels - Eckabschweißungen vorzunehmen. In der Regel wird man auf zumindest einer Seite zwei solcher Schweißungen vornehmen, weil das der Standbodenbildung zu Gute kommt. Zumindest die Eckabschweißung im Bereich der Öffnung, durch die der Sack befüllt wird, kann vorteilhafterweise nach oder bei dem Schließen dieser Öffnung vorgenommen werden. Es ist vorteilhaft, die Trennlinien beziehungsweise Querschweißungen, die die Ränder der Beutel an deren längeren Seiten bilden, mit einer so genannten Siegelnaht zu versehen. In this phase it is also possible to make corner welds on one or both edges of the tubing - ie in the area of the narrow side of the bag. As a rule, you will make at least one side of two such welds, because that of the floor formation to benefit. At least the Eckabschweißung in the region of the opening, through which the bag is filled, can be advantageously made after or at the closing of this opening. It is advantageous to provide the dividing lines or transverse welds, which form the edges of the bags on their longer sides, with a so-called sealed seam.
Überhaupt kann angesichts des Begriffs Siegelnaht noch einmal der Begriff Trennlinie und Querschweißnaht erklärt werden. In der Regel werden in einem FFS-Prozess der eingangs geschilderten Art bei der Vereinzelung der Schlauchstücke in kurzem räumlichem Abstand voneinander (wenige Millimeter) die Querschweißnaht und der Trennschnitt durchgeführt. Der Trennschnitt befindet sich auf der Seite der Querschweißnaht, auf der sich die zunächst noch unverschlossene Öffnung des nächsten Schlauchstückes befindet. Auf diese Weise wird gewährleistet, dass diese Öffnung für die Befüllung noch offen bleibt. In general, given the term seal, the term dividing line and transverse weld can be explained again. In general, in a FFS process of the type described in the singulation of the hose pieces in a short spatial distance from each other (a few millimeters), the transverse weld and the separating cut are performed. The separating cut is located on the side of the transverse weld on which the opening of the next piece of tubing, which has not yet been opened, is located. This ensures that this opening remains open for filling.
Diese Technik führt jedoch dazu, dass die beiden losen Enden des Sackmaterials über die Querschweißung überstehen. Um diesen Materialüberstand einigermaßen ansehbar zu gestalten, sollten die Trennlinie und die Querschweißung parallel zueinander verlaufen. However, this technique causes the two loose ends of the bag material to protrude beyond the transverse weld. In order to make this material supernatant reasonably visible, the dividing line and the transverse weld should run parallel to each other.
Zur Vermeidung des erwähnten Materialüberstandes an zumindest einem Rand des Schlauchstückes kommen mehrere Möglichkeiten in Frage, zum Beispiel:  To avoid the mentioned material overhang on at least one edge of the hose piece several possibilities are possible, for example:
• Eine nachträgliche Siegelung und damit Verbindung des Materialüberstandes mit einem stumpfen Siegelwerkzeug. • Subsequent sealing and thus connection of the material projection with a blunt sealing tool.
• Das Aufbringen einer Trennschweißnaht, bei der die Schweißlinie und die Trennlinie zusammenfallen oder unmittelbar aufeinander folgen. Zur Erzeugung solcher Schweißtrennnähte kommen unter anderem Ultraschallschweißwerkzeuge in Frage. • The application of a separating weld in which the welding line and the dividing line coincide or follow each other directly. To produce such weld seams come, inter alia, ultrasonic welding tools in question.
Auch bei Vorhandensein einer Schweißtrennnaht ist davon auszugehen, dass sowohl die Trennlinie als auch die Schweißung im Sinne dieser Druckschrift senkrecht zu der Symmetrielinie des Schlauches stehen. Für die Zwecke dieser Druckschrift werden daher auch eine getrennte Schweiß- und Trenneinrichtung sowie eine Schweißtrenneinrichtung als äquivalent angesehen. Even in the presence of a weld seam is assumed that both the dividing line and the weld within the meaning of this document are perpendicular to the line of symmetry of the hose. For the purpose of this Reference to a separate welding and separating device and a welding separator are therefore considered equivalent.
Bei den FFS-Maschinen der hier in Rede stehenden Art ist der Begriff der Arbeitsbreite als der Abstand zwischen den Rändern des flachgelegten Schlauches, also der Schlauchbreite, bekannt. Die maximale Arbeitsbreite einer solchen FFS-Maschine ist eine wichtige Maschineneigenschaft, die durch die verschiedenen Maschinenbestandteile der Maschine bestimmt wird. Zu diesen Maschinenbestandteilen gehören unter anderem die Schweiß- und Trennvorrichtungen, die verschiedenen Transportvorrichtungen - hier sind die Greifvorrichtungen nicht zu vernachlässigen - und die Abwickelstation. Natürlich werden die maximalen Arbeitsbreiten dieser Komponenten aufeinander abgestimmt. In der Regel dürfte sich die maximale Arbeitsbreite der Maschine nach der Maschinenkomponente mit der kleinsten Arbeitsbreite richten. In the FFS machines of the type in question, the term working width is known as the distance between the edges of the flattened tube, that is, the tube width. The maximum working width of such an FFS machine is an important machine characteristic that is determined by the various machine components of the machine. These machine components include, among others, the welding and separating devices, the various transport devices - here the gripping devices are not negligible - and the unwinding station. Of course, the maximum working widths of these components are matched. As a rule, the maximum working width of the machine should be based on the machine component with the smallest working width.
In den genannten FFS-Maschinen wird der Sackboden und hier vor allem die noch frische erste Querschweißnaht während der Abfüllung von einer Sackbodenunterstützungseinrichtung unterstützt. DieseIn the above-mentioned FFS machines, the bag bottom and, in particular, the still fresh first transverse weld seam are supported during filling by a bag bottom support device. These
Sackbodenunterstützungseinrichtung dient oft gleichzeitig zum Abtransport der Säcke aus der Befüllstation. In diesem Fall ist die Sackbodenunterstützungsund Transporteinrichtung oft als Förderband 24 ausgestaltet. Es sind an dieser Stelle jedoch auch andere bewegliche und unbewegliche Sackbodenunterstützungseinrichtungen im Einsatz. Sack bottom support device is often used at the same time for removing the bags from the filling station. In this case, the Sackbodenunterstützungsund transport device is often designed as a conveyor belt 24. However, other mobile and stationary bag bottom support devices are also in use at this point.
Bei erfindungsgemäßen Maschinen ist die maximale Arbeitsbreite der Vorrichtung größer als oder gleich wie der Abstand (A), den die Stützfläche der Sackbodenunterstützungsvorrichtung und die Öffnung der einseitig offenen Schlauchstücke in der Abfüllstation in vertikaler Richtung (y) zueinander aufweisen. Falls es innerhalb der Stützfläche der Sackbodenunterstützungsvorrichtung einen Höhenunterschied gibt, so ist es vorteilhaft, den Teil der Fläche, der die frische Querschweißnaht unterstützt, zur Messung des Abstandes heranzuziehen. Weiterhin hat es sich als vorteilhaft erwiesen, den - natürlich in der vertikalen Richtung - tiefsten Teil der aktivierten oder der aktivierbaren Kontaktfläche der Stützfläche der Sackbodenunterstützungsvorrichtung zu diesem Zweck heranzuziehen. Hierbei ist die aktivierte Fläche die Fläche, die bei der jeweils eingestellten Arbeitsbreite von dem Beutelboden belegt wird. Die aktivierbare Fläche ist die Fläche, die von einem Beutelboden maximaler Arbeitsbreite belegt wird. In machines according to the invention the maximum working width of the device is greater than or equal to the distance (A), the support surface of the bag bottom support device and the opening of the unilaterally open hose pieces in the filling station in the vertical direction (y) to each other. If there is a height difference within the support surface of the bag bottom support device, it is advantageous to use that part of the surface which supports the fresh transverse weld to measure the distance. Furthermore, it has proved to be advantageous to use the - of course in the vertical direction - deepest part of the activated or the activatable contact surface of the support surface of the bag bottom support device for this purpose. Here, the activated area is the area that corresponds to the set working width is occupied by the bag bottom. The activatable area is the area occupied by a bag bottom of maximum working width.
Zur Herstellung besonders ausgestalteter Beutel ist es vorteilhaft, insbesondere an einem der beiden Ränder Vorrichtungen zum Anbringen von Griffen und Schlaufen vorzusehen. Aus Gründen, die in der gegenständlichen Beschreibung noch einmal verdeutlicht werden, gilt dies auch für zusätzliche Schweißvorrichtungen. Diese können Schweißnähte, die parallel oder gar bündig mit dem Schlauchrand verlaufen, in den Schlauch oder die bereits vereinzelten Schlauchstücke eingebracht werden. Insbesondere die genannten Schweißnähte (in Frage kommen auch sonstige Fügenähte, wie sie beispielsweise durch das Einbringen von Extrudat hergestellt werden können) können auch in das Schlauchmaterial eingebracht werden, während dieses kontinuierlich gefördert wird, was insbesondere in der Schlauchbildungsvorrichtung von Vorteil ist. To produce particularly designed bags, it is advantageous to provide devices for attaching handles and loops, in particular on one of the two edges. For reasons that are made clear again in the present description, this also applies to additional welding devices. These can welds that run parallel or even flush with the edge of the tube, are introduced into the hose or the already isolated pieces of hose. In particular, the aforementioned welds (other joining seams come into question, as they can be produced for example by the introduction of extrudate) can also be introduced into the tubing while it is continuously conveyed, which is particularly advantageous in the hose forming device.
Zur Herstellung und Befüllung speziell geformter Beutel ist es von Vorteil, den Abfüllstutzen und/oder den Wägebehälter der Waage azentrisch in Bezug auf die breite Seite des Beutels - also der jeweiligen Arbeitsbreite der Maschine - zu positionieren. Hiermit ist gemeint, dass die Symmetrielinie des Abfüllstutzens und/oder des Wägebehälters zu der Symmetrieachse des Schlauchstückes, die vor der Vereinzelung die Hauptsymmetrieachse des Folienschlauches gebildet hat, bei der Befüllung in Richtung der Breite des Schlauchstückes relativ zueinander verschoben sind. Es ist auch vorteilhaft, den oft unterhalb der aktivierbaren Fläche gelegenen Rüttler, der eine Materialverdichtung in dem gerade befüllten Beutel herbeiführen soll, entlang der Richtung der Beutelbreite azentrisch zu der genannten Symmetrieachse des Schlauchstückes zu positionieren. For the production and filling of specially shaped bags, it is advantageous to position the filling nozzle and / or the weighing container of the balance in a centric manner with respect to the broad side of the bag, ie the respective working width of the machine. By this is meant that the line of symmetry of the filler neck and / or the weighing container to the axis of symmetry of the piece of tubing, which has formed the main axis of symmetry of the film tube prior to singulation, are displaced relative to each other during the filling in the direction of the width of the tube piece. It is also advantageous to position the vibrator, often below the activatable surface, which is intended to bring about material compaction in the bag being filled, along the direction of the width of the bag, acentric to said axis of symmetry of the length of tubing.
Weitere Ausführungsbeispiele der Erfindung gehen aus der gegenständlichen Beschreibung und den Ansprüchen hervor.  Further embodiments of the invention will become apparent from the description and the claims.
Die einzelnen Figuren zeigen: The individual figures show:
Fig. 1 Seitenansicht einer FFS-Maschine Fig. 1 side view of an FFS machine
Fig. 2 Einen Folienschlauch, der sich zur Durchführung des erfindungsgemäßen Verfahrens eignet Fig. 2 shows a film tube, which is used to carry out the inventive method is suitable
Fig. 3 Ein erstes einseitig offenes Schlauchstück in seiner Lage in einer Fig. 3 shows a first unilaterally open hose piece in its position in a
Abfüllstation  filling station
Fig. 4 Einen nach einem erfindungsgemäßen Verfahren hergestellten  Fig. 4 A produced by a method according to the invention
Beutel  bag
Fig. 5 Ein zweites einseitig offenes Schlauchstück in seiner Lage in einer  Fig. 5 shows a second unilaterally open piece of tubing in its position in one
Abfüllstation  filling station
Fig. 6 Eine Schnittdarstellung von in Figur 5 dargestellten Gegenständen aus der durch die Pfeile 67 dargestellten Blickrichtung  6 shows a sectional view of objects illustrated in FIG. 5 from the viewing direction represented by the arrows 67
Die Figur 1 zeigt eine FFS-Maschine. Diese Vorrichtung 1 umfasst einen Tragarm 2, auf welchem ein Wickel 3 mit schlauchförmiger Folie 4 aufliegt. Die schlauchförmige Folie 4 weist in Figur 1 nicht dargestellte Seitenfalten 41 auf. Die Transportwalzen 5, die zum Teil auch angetrieben sein können, sorgen für eine, in der Regel kontinuierliche, Abwicklung der schlauchförmigen Folie 4. Der durch eine Kolben-Zylinder-Einheit 10 mit einer Last beaufschlagte Hebel 9, welcher eine Umlenkwalze 6 trägt und insgesamt häufig als Tänzereinrichtung bezeichnet wird, und die Transportwalze 7, 8 und das Vorschubrollenpaar 15 sorgen insgesamt auf an sich bekannte Weise dafür, dass die schlauchförmige Folie 4 auf ihrem weiteren Transportweg taktweise intermittierend weiterbewegt wird. Die Transportwalze 8a ist Bestandteil einer Registervorrichtung 29, mit welcher die Länge des Transportweges der schlauchförmigen Folie 4 an das Format der späteren Säcke angepasst werden kann. Dazu ist die Transportwalze 8a relativ zur Vorrichtung 1 verschieblich angeordnet. Zum Verschieben steht ein händisch oder elektromotorisch betriebener und an sich bekannter Spindeltrieb zur Verfügung. FIG. 1 shows an FFS machine. This device 1 comprises a support arm 2, on which a winding 3 with tubular film 4 rests. The tubular film 4 has not shown in Figure 1 gussets 41. The transport rollers 5, which can also be driven in part, provide for a, usually continuous, development of the tubular film 4. The acted upon by a piston-cylinder unit 10 with a load lever 9, which carries a guide roller 6 and a total is often referred to as a dancer, and the transport roller 7, 8 and the feed roller pair 15 provide a total of known per se for the fact that the tubular film 4 is intermittently moved on their further transport cycle intermittently. The transport roller 8a is part of a register device 29, with which the length of the transport path of the tubular film 4 can be adapted to the format of the later bags. For this purpose, the transport roller 8a is arranged relative to the device 1 so as to be displaceable. To move is a manual or electric motor operated and known per se spindle drive available.
Im Verlauf ihres Transportes durch die Vorrichtung 1 durchläuft die schlauchförmige Folie 4 eine Station 28 zum Einbringen von Grifflöchern 43. Diese Station 28 besteht im Wesentlichen aus einem Stanz- oder Schneidewerkzeug und einer Gegenlage. Es ist möglich, statt oder neben dieser Station 28 Mittel zum Anbringen von Schweißungen, beispielsweise von Diagonal- oder Eckabschweißungen 46 oder/und von Konturschweißungen, vorzusehen. In der Figur 1 ist zusätzlich zu der Station 28 zum Einbringen von Grifflöchern 43 eine Station 69 zum Einbringen von Eckabschweißungen 46 eingezeichnet. Die Darstellung in Figur 1 lässt offen, ob die jeweiligen Stationen 28 und 69 Grifflöcher 23 beziehungsweise Eckabschweißungen 46 an beiden Rändern 50 und 51 des schlauchförmigen Materials 4 vornehmen können oder ob sie dies jeweils nur an einer Seite 50, 51 können. In dem ersteren Fall ist es vorteilhaft, zumindest die Station 69 derart einzurichten, dass sie wahlweise auf einer Seite 50, 51 oder auf beiden Seiten Eckabschweißungen 50, 51 erzeugt. Auf diese Weise können auf einer solchen Vorrichtung 1 wahlweise die nachstehend dargestellten Beutel 60, die Eckabschweißungen 46 lediglich auf einer ihrer Seiten 51 aufweisen oder normale FFS-Säcke mit vier Eckabschweißungen 46 hergestellt werden. In the course of its transport through the device 1, the tubular film 4 passes through a station 28 for the introduction of grip holes 43. This station 28 consists essentially of a punching or cutting tool and an abutment. It is possible, instead of or in addition to this station 28, to provide means for applying welds, for example diagonal or corner welds 46 and / or contour welds. In the figure 1 is in addition to the station 28 for introducing Grifflöchern 43 a station 69 for introducing Eckabschweißungen 46 located. The illustration in Figure 1 leaves open whether the respective stations 28 and 69 can handle holes 23 or Eckabschweißungen 46 at both edges 50 and 51 of the tubular material 4 or whether they can do this only on one side 50, 51. In the former case, it is advantageous to set up at least the station 69 such that it optionally generates corner welds 50, 51 on one side 50, 51 or on both sides. In this way, on such a device 1, optionally, the pouches 60 shown below, the corner welds 46 on only one of their sides 51, or normal FFS sacks with four corner welds 46 may be made.
Eine vorteilhafte Weise einer solchen Zuschaltbarkeit ist eine Aktivierbarkeit oder Deaktivierbarkeit zumindest einer Bearbeitungsseite über eine Steuervorrichtung.  An advantageous way of such a connectability is an activatability or deactivability of at least one processing page via a control device.
Da der Beutel 60 Eckabschweißungen auf einer seiner Seiten 51 und Grifflöcher 43 auf der anderen Seite 50 enthält, gilt das Vorgesagte im Prinzip auch für die Station 28 zum Einbringen von Grifflöchern 43. Jedoch wird man vorteilhafterweise des Öfteren davon absehen, derartige Stationen 28 so auszustatten, dass sie an beiden Rändern 50, 51 des Schlauches 4 Grifflöcher vorsehen können. Stattdessen wird man eben lediglich eine Station in die Vorrichtung 1 einbringen, die auf einer Seite des Schlauches 50 Grifflöcher herstellt. Da ein Griffloch oft an derselben Seite des Schlauches 50 vorzusehen ist wie eine Fügenaht 52, kann eine Station 28 zum Einbringen von Grifflöchern 43 mit einer Vorrichtung, die Fügenähte 52 vorsieht, kombiniert werden. Wird eine solche Vorrichtung unabhängig von der Station 28 in die Vorrichtung 1 eingebracht, so gilt für ihre Positionierung zu den Schlauchrändern 50, 51 und für ihre Ansteuerbarkeit dasselbe wie für die Station 28. Since the bag 60 contains corner welds on one of its sides 51 and hold holes 43 on the other side 50, the above also applies in principle to the station 28 for the insertion of handle holes 43. However, it will be advantageous to often refrain from equipping such stations 28 in this way in that they can provide grip holes on both edges 50, 51 of the tube 4. Instead, one will just bring a station in the device 1, which makes on one side of the tube 50 handle holes. Since a handle hole is often to be provided on the same side of the hose 50 as a joining seam 52, a station 28 for inserting handle holes 43 may be combined with a device that provides joining seams 52. If such a device is introduced into the device 1 independently of the station 28, the same applies to its positioning to the tube edges 50, 51 and for their controllability as for the station 28th
Der Stanz- oder Schneidevorgang bzw. der Schweißvorgang bei diesen Stationen erfolgt dabei vorteilhafterweise während der Stillstandsphasen des intermittierenden Transports. Über weitere Transportwalzen 8 wird die mit Grifflöchern 43 versehene schlauchförmige Folie 4 zu einer Kühlstation 12 gefördert, in welcher die Schweißnähte abgekühlt werden. Mit dem Vorschubrollenpaar 15 wird die schlauchförmige Folie 4 durch die Schweißbacken 33 einer Querschweißstation 13 und durch eine Querschneidestation 16 hindurch geschoben. Die Werkzeuge der Querschweißstation 13 und der Querschneidestation 16 können auf nicht näher beschriebene Weise, beispielsweise durch eine Parallelogrammanordnung 14, in Ebenen orthogonal zur Vorschubrichtung der schlauchförmigen Folie 4 auf diese zu und von dieser weg bewegt werden. Nachdem die Greifer 17 die schlauchförmige Folie 4 ergriffen haben, wird oberhalb der Greifer 17 ein Schlauchstück 18 in der Querschneidestation 16 von der schlauchförmigen Folie 4 abgetrennt. Zeitgleich wird oberhalb der Schnittkante an der schlauchförmigen Folie 4 in der Querschweißstation 13 eine Querschweißung 42 angebracht, welche den Boden oder die Kopfseite des im nächsten Arbeitstakt der Vorrichtung 1 zu bildenden Schlauchstücks 18 darstellt. Dementsprechend werden in der Querschweißstation 13 Kopfnähte erzeugt. Allgemein kann die Herstellung der Kopf- oder Bodennähte jedoch nicht nur, auch wenn vorzugsweise, durch eine Querschweißung erfolgen, sondern es sind auch weitere Fügeverfahren, etwa das Kleben, denkbar. The punching or cutting process or the welding process at these stations is advantageously carried out during the stoppage phases of the intermittent transport. About further transport rollers 8 provided with handle holes 43 tubular film 4 is conveyed to a cooling station 12, in which the welds are cooled. With the feed roller pair 15, the tubular film 4 is pushed through the welding jaws 33 of a transverse welding station 13 and through a cross-cutting station 16. The tools of the transverse welding station 13 and the cross cutting station 16 can be moved in a manner not described in detail, for example by a parallelogram 14, in planes orthogonal to the feed direction of the tubular film 4 to and from this. After the grippers 17 have gripped the tubular film 4, a piece of tubing 18 is separated from the tubular film 4 above the gripper 17 in the cross-cutting station 16. At the same time above the cutting edge of the tubular film 4 in the transverse welding station 13, a transverse weld 42 is attached, which represents the bottom or the head side of the hose piece 18 to be formed in the next working cycle of the device 1. Accordingly, 13 head seams are generated in the transverse welding station. In general, however, the manufacture of the head or bottom seams may not only be effected by transverse welding, although preferably, but also other joining methods, such as gluing, are conceivable.
Die Greifer 17 befördern das Schlauchstück 18 zu einem Übergabepunkt, an dem weitere Greifer 19 das Schlauchstück 18 erfassen und zu einer Füllstation 20 transportieren. Dort wird das Schlauchstück 18 an stationäre Greifer 21 übergeben und von den Saugern 22 geöffnet, so dass das Füllgut, welches durch den Füllstutzen 23 geleitet wird, in das Schlauchstück 18 gelangen kann. Das Schlauchstück 18 liegt dabei mit seinem unteren Ende auf einem Transportband 24 auf, so dass das Schlauchstück 18 während des Befüllvorganges nicht übermäßig entlang seiner Längskanten belastet wird. Weitere Greifer 25 befördern das befüllte Schlauchstück zur Kopf- oder Bodennahtschweißstation 26, in der das Schlauchstück 18 mit einer Kopf- bzw. Bodenschweißnaht verschlossen wird und so einen fertigen Sack 27 bildet. Auch das Verschließen des Schlauchstücks 18 in seinem Kopfbereich kann durch ein anderes Fügeverfahren erfolgen. Der fertige Sack 27 wird von dem Transportband 24 aus der Vorrichtung 1 heraus geführt. Hierbei ist der Sack 27 sehr viel höher (in y-Richtung) als breit (in x-Richtung). Wie in der einleitenden Beschreibung bereits erwähnt kann unter gewissen Bedingungen mit der in Figur 1 dargestellten Vorrichtung auch ein erfindungsgemäßes Verfahren durchgeführt werden: The grippers 17 convey the tube piece 18 to a transfer point at which further grippers 19 grasp the tube piece 18 and transport it to a filling station 20. There, the tube piece 18 is transferred to stationary gripper 21 and opened by the suckers 22, so that the contents, which is passed through the filler neck 23, can get into the tube piece 18. The tube piece 18 rests with its lower end on a conveyor belt 24, so that the hose piece 18 is not excessively loaded along its longitudinal edges during the filling process. Further grippers 25 convey the filled tube piece to the head or bottom seam welding station 26, in which the tube piece 18 is closed with a top or bottom weld seam and thus forms a finished bag 27. Also, the closing of the tube piece 18 in its head area can be done by a different joining method. The finished bag 27 is guided out of the device 1 by the conveyor belt 24. Here, the bag 27 is much higher (in the y-direction) than wide (in the x-direction). As already mentioned in the introductory description, under certain conditions with the apparatus shown in FIG. 1, a method according to the invention can also be carried out:
Der Abstand 61 zwischen der Öffnung 62 des Schlauchstückes 18 und der Stützfläche 58 und der Höhe 59 der Sacköffnung 62 (hier durch eine gestrichelte Linie dargestellt) muss derart einstellbar oder festgelegt sein, dass er 61 kleiner oder gleich ist wie die maximale Arbeitsbreite der Vorrichtung 1 . In der Figur 5 ist jedoch eine Stützfläche 58 gezeigt, die Höhenunterschiede aufweist, da sie um den Winkel α gegenüber der Horizontalen 66 geneigt ist, und da sie überdies in Richtung der Sackbreite 64 rinnenförmig ausgeführt ist, wie Figur 6 zeigt. In einem solchen Fall ist es oft vorteilhaft, von dem tiefsten Teil der aktivierbaren Kontaktfläche 71 der Stützfläche 58 aus den Abstand 61 zu der Öffnung des Schlauchstücks 18 in der Befüllposition zu messen. Dies ist in den Figuren 5 und 6 illustriert. Hierbei ist die aktivierbare Kontaktfläche die Fläche, die von einem Beutelboden belegt wird, wenn mit maximaler Arbeitsbreite produziert wird.  The distance 61 between the opening 62 of the tube piece 18 and the support surface 58 and the height 59 of the bag opening 62 (shown here by a dashed line) must be adjustable or fixed so that it 61 is less than or equal to the maximum working width of the device. 1 , In the figure 5, however, a support surface 58 is shown, which has height differences, since it is inclined by the angle α relative to the horizontal 66, and since it is designed channel-shaped in the direction of the bag width 64, as Figure 6 shows. In such a case, it is often advantageous to measure from the lowest part of the activatable contact surface 71 of the support surface 58 from the distance 61 to the opening of the hose piece 18 in the filling position. This is illustrated in FIGS. 5 and 6. Here, the activatable contact area is the area occupied by a bag bottom when producing at maximum working width.
Neben diesen Merkmalen sind auch einige weitere Vorrichtungsbestandteile für eine Produktion der nachstehend gezeigten Beutel vorteilhaft:  In addition to these features, some other device components are also advantageous for production of the pouches shown below:
Eckabschweißungsvorrichtungen, Vorrichtungen zum Einbringen eines Griffes 28 und/oder Vorrichtungen zum Aufbringen zumindest einer Schweiß- oder Fügenaht 52, die vorzugsweise an einem Rand des Folienschlauchs beziehungsweise der vereinzelten Schlauchstücke vorgesehen sind. Diese können die Position der in Figur 1 skizzierten Station zum Einbringen von Grifflöchern 28 einnehmen, sie können jedoch auch später in der Transportrichtung der schlauchförmigen Folie 4 angebracht sein. Über die Positionierung dieser Station zu den Schlauchrändern und die Aktivierbarkeit dieser Station wurde vorstehend schon einiges gesagt. Eckabschweißungsvorrichtungen, devices for introducing a handle 28 and / or devices for applying at least one welding or joining seam 52, which are preferably provided on an edge of the film tube or the individual pieces of tubing. These may occupy the position of the station sketched in FIG. 1 for the purpose of introducing grip holes 28, but they may also be attached later in the transport direction of the tubular film 4. About the positioning of this station to the tube edges and the activability of this station has already been said a lot.
Unter anderem aufgrund der Grifflöcher 43 und der Längsfügungen 52 ist die Materialaufnahme des Schlauchstücks 18 und seine Gewichtsverteilung oft nicht symmetrisch zu der Hauptsymmetrieachse 65. Due in part to the gripping holes 43 and the longitudinal joints 52, the material intake of the hose piece 18 and its weight distribution are often not symmetrical with respect to the main axis of symmetry 65.
Aus diesen Gründen kann es auch vorteilhaft sein, den Abfüllstutzen 32 der Befüllstation gegenüber der Abfüllposition des Schlauchstückes 18 in der Abfüllstation entlang der Beutelbreite 64 derart zu positionieren, dass die Symmetrielinie 70 des Abfüllstutzens 23 und die Hauptsymmetrielinie 65 des Schlauches 4 gegeneinander verschoben sind. Dies gilt für die Symmetrielinie des Wägebehälters. Auch der Rüttler kann azentrisch zu der Hauptsymmetrielinie 65 des Schlauches 4 angeordnet werden. For these reasons, it may also be advantageous to position the filling nozzle 32 of the filling station relative to the filling position of the hose piece 18 in the filling station along the bag width 64 in such a way that the Symmetry line 70 of the filler neck 23 and the main symmetry line 65 of the tube 4 are shifted from each other. This applies to the symmetry line of the weighing container. Also, the vibrator can be arranged acentric to the main symmetry line 65 of the tube 4.
Des Weiteren ist es - aufgrund der unter anderem unten anhand von Figur 4 erläuterten Ausformung vieler bevorzugter Beutel 60 von Vorteil, wenn der zentrale Bereich der Stützfläche 58 gegenüber einer Horizontalen 66 einen Winkel α aufweist. Diese Situation ist in Figur 5 gezeigt. Es ist vorteilhaft, die FFS Maschine mit schwenkbaren Stützflächen zu versehen was durch den Pfeil 57 angedeutet wird. Bei einer Vorrichtung 1 wie sie in Figur 1 gezeigt ist, ist es möglich, die Stützflächen 58 gegenüber dem Förderband 24 zu schwenken. Jedoch kann auch das ganze Förderband 24 in der gewünschten Weise „gekippt" werden. In Figur 1 ist auch ein Rüttler 72 gezeigt, der unterhalb der Abfüllstation unterhalb des Förderbades angebracht ist und der dem Sack 28 in der Abfüllstation Schwingungen vermitteln kann, um das abgefüllte Material zu verdichten. Furthermore, due to the shape of many preferred bags 60 explained below with reference to FIG. 4, it is advantageous if the central area of the support surface 58 has an angle α with respect to a horizontal 66. This situation is shown in FIG. It is advantageous to provide the FFS machine with pivotable support surfaces, which is indicated by the arrow 57. In a device 1 as shown in Figure 1, it is possible to pivot the support surfaces 58 relative to the conveyor belt 24. However, the entire conveyor belt 24 can also be "tilted" as desired.Figure 1 also shows a vibrator 72 which is mounted below the filling station below the conveyor and which can impart vibrations to the bag 28 in the filling station to fill it Material to compact.
Beutel 60, wie sie in Figur 4 gezeigt sind, bilden nach ihrer Befüllung einen vorwiegend kreiszylinderförmigen Querschnitt aus. Es ist daher vorteilhaft, die in Figur 5 eben dargestellte Stützfläche wannen- oder rinnenförmig auszuprägen. Aufgrund der Eckabschweißungen 46 besitzt der befüllte Beutel 60 in der Seitenansicht eine trapezförmige Form, das heißt, dass der Durchmesser bei dem in Figur 4 gezeigten Beutel nach oben - also hier in x- Richtung - zunimmt. Die Querschnittsfläche des Beutels 60 in Figur 4 verhält sich also zumindest teilweise wie der eines auf dem Kopf stehenden Kreiskegels ist also kegelstumpfartig. Es ist vorteilhaft, wenn die Stützfläche 58 für die Produktion dieser Beutel auch deren Querschnittsform angepasst wird und geformt ist wie das Negativ dieser Kegelstumpfform des Beutels 60.  Pouches 60, as shown in FIG. 4, form a predominantly circular cylindrical cross-section after being filled. It is therefore advantageous to emboss the trough-shaped or trough-shaped supporting surface which is just shown in FIG. Because of the corner welds 46, the filled pouch 60 has a trapezoidal shape in side view, that is to say that the diameter in the pouch shown in FIG. 4 increases upward, ie here in the x direction. The cross-sectional area of the bag 60 in Figure 4 thus behaves at least partially like that of an upside-down circular cone is thus frustoconical. It is advantageous if the support surface 58 for the production of these bags is also adapted to their cross-sectional shape and is shaped like the negative of this truncated cone shape of the bag 60.
Doch nun noch einmal zu einer detaillierteren Beschreibung der Figuren 2 bis 5: Ein Folienschlauch 4, der sich zur Durchführung des erfindungsgemäßen Verfahrens eignet, wird in Figur 2 gezeigt. In der Figur 2 wird aus Gründen der Anschaulichkeit gezeigt, wie der Folienschlauch 4 von dem Wickel 3 in Richtung seiner Hauptsymmetrieachse (punktierte Linie) 65 abgezogen wird. Zwischen seinen Rändern 50 und 51 weist dieser Schlauch 4 eine Breite 64 auf. Zur Herstellung eines Beutels nach dem erfindungsgemäßen Verfahren ist es ausreichend, wenn der Schlauch ein unbearbeiteter Flach- oder Seitenfaltenschlauch ist. Der in Figur 2 dargestellte Schlauch weist jedoch einige zusätzliche Merkmale wie die Grifflöcher 43 und die Längsfügung 52 auf. Die Längsfügung 52 kann bei der Schlauchbildung beispielsweise durch die Zugabe von Extrudat hergestellt werden. Sie verbindet die Wandungen des Schlauches 4 miteinander und verhindert bei den später hergestellten Beuteln 60, dass Befüllgut durch die Grifflöcher 43 entweicht, oder durch die Grifflöcher belüftet wird. Wenn der Rand 50 des Schlauches 4 mit einer Seitenfalte 41 ausgestattet ist, wie in dem gestrichelten Kreis 53 skizziert, ist es möglich vier Materiallagen in dem Bereich des Grifflöcher 43 vorzusehen, was besondere Stabilität hervorruft. In diesem Fall ist es vorteilhaft, die Seitenfalte 41 bis zu der Fügenaht 52 auszudehnen. An dieser Stelle wären dann beide Seiten der Seitenfalte mit den Aussenwandungen des Schlauches zu verbinden und so abzudichten. But now again to a more detailed description of Figures 2 to 5: A film tube 4, which is suitable for carrying out the method according to the invention is shown in Figure 2. In the figure 2 is shown for reasons of clarity, as the film tube 4 is subtracted from the winding 3 in the direction of its main axis of symmetry (dotted line) 65. Between its edges 50 and 51, this hose 4 has a width 64. For producing a bag according to the method of the invention is it is sufficient if the hose is an unprocessed flat or gusseted hose. However, the tube shown in Figure 2 has some additional features such as the handle holes 43 and the longitudinal slot 52. The longitudinal gap 52 can be produced in the hose formation, for example by the addition of extrudate. It connects the walls of the tube 4 with each other and prevents in the later produced bags 60 that filling material escapes through the handle holes 43, or is vented through the handle holes. When the edge 50 of the tube 4 is provided with a gusset 41, as outlined in the dashed circle 53, it is possible to provide four layers of material in the region of the gripping holes 43, which causes particular stability. In this case, it is advantageous to extend the gusset 41 to the joining seam 52. At this point, then both sides of the gusset would be connected to the outer walls of the hose and sealed so.
Es ist jedoch auch möglich, auf die Seitenfalten 43 an dem Rand 50 zu verzichten und hier eine einfache Faltung vorzusehen, die mit der Fügenaht 52 zu dem späteren Beutelinnenraum verschlossen wird. Auch diese Ausführungsform des Beutels ist mit einer Seitenfalte 41 an dem anderen Rand 51 des Schlauches 4 vorteilhaft kombinierbar. Der Bereich der Seitenfalte 41 an dem Rand 51 bildet später den Boden des Beutels 60 und verbessert seine Standeigenschaften. Die gepunkteten Linien 62 geben die Position der späteren Trennschnitte und Querschweißnähte 42 an. However, it is also possible to dispense with the side folds 43 on the edge 50 and to provide here a simple fold, which is closed with the joining seam 52 to the later bag interior. This embodiment of the bag can also be advantageously combined with a side fold 41 on the other edge 51 of the tube 4. The area of the gusset 41 at the edge 51 later forms the bottom of the bag 60 and improves its stance properties. The dotted lines 62 indicate the position of the later cuts and transverse welds 42.
In Figur 3 ist ein unbefülltes, einseitig offenes Schlauchstück 18 zu sehen. Ein Großteil seiner Merkmale ist schon in Bezug auf den Schlauch 4 in Figur 1 erwähnt worden. Zusätzlich enthält das Schlauchstück 18 jedoch die Eckabschweißungen 46, den Zipper 54 und die Querschweißnaht 42, die ihm 18 in den dafür vorgesehenen Einrichtungen einer FFS-Maschine beigefügt worden sind. Das Schlauchstück 18 hängt an den Greifern 21 in der Befüllstation und ist bereit, durch seine Öffnung 62, wie durch den Pfeil 56 angedeutet, befüllt zu werden.  In Figure 3 is an unfilled, unilaterally open hose piece 18 can be seen. Much of its features have already been mentioned in relation to the tube 4 in FIG. In addition, however, the length of tubing 18 includes the corner welds 46, the zipper 54, and the transverse weld 42 attached thereto 18 in the dedicated equipment of an FFS machine. The tube piece 18 hangs on the grippers 21 in the filling station and is ready to be filled through its opening 62, as indicated by the arrow 56.
In Figur 3 ist auch zu sehen, dass die Symmetrieachse 70 des Abfüllstutzens 23 gegenüber der Hauptsymmetrieachse 65 des Schlauches verschoben ist. In Figur 4 ist ein befüllter Beutel 60 zu sehen. Er weist wieder weitgehend dieselben Merkmale auf wie der Schlauch 4 in Figur 2 und das Schlauchstück 18 in Figur 3. Der Beutel 60 steht jedoch auf dem Schlauchrand 52, der eine Seitenfalte 41 aufweist, die hier einen stabilen Standboden bildet. Wie bereits erwähnt, bildet sich aufgrund der Eckabschweißungen 46 eine trapezartige Frontfläche des befüllten Beutels aus. Hierbei sind die Eckabschweißungen in den Figuren 4 und 5 bogenförmig dargestellt, da sie in befüllten Beuteln 60 oder Schlauchstücken gegen die Aussenwandungen des jeweiligen Verpackungshalbzeuges 60, 18 gedrückt werden. Die Querschweißnähte 42, die die Beutelhalbzeuge 4, 18 auf dem Weg durch die FFS-Maschine erhalten haben, bilden nun die Seitenwände des Beutels 60. It can also be seen in FIG. 3 that the axis of symmetry 70 of the filler neck 23 is displaced relative to the main axis of symmetry 65 of the hose. FIG. 4 shows a filled bag 60. He has again largely the same features as the hose 4 in Figure 2 and the hose piece 18 in Figure 3. However, the bag 60 is on the tube edge 52, which has a gusset 41, which forms a stable floor here. As already mentioned, due to the corner welds 46, a trapezoidal front surface of the filled bag is formed. Here, the Eckabschweißungen are shown in Figures 4 and 5 arcuate, as they are pressed in filled bags 60 or hose pieces against the outer walls of the respective packaging semi-finished product 60, 18. The transverse welds 42, which received the semi-finished bag products 4, 18 on the way through the FFS machine, now form the side walls of the bag 60.
In Figur 5 ist ein bereits durch seine Öffnung 62 befülltes Schlauchstück 18 zu sehen, das wieder eine trapezförmige Frontansicht bietet. Das Schlauchstück hängt noch immer an den Greifern 21 . Oben wurde bereits auf die Ausrichtung und Formung der Stützfläche 58 hingewiesen. Die Schnittdarstellung in Figur 6, die die von den Pfeilen 67 skizzierte Blickrichtung (Figur 5) aufweist, verdeutlicht noch einmal, wie die Stützfläche 58 geformt sein kann. FIG. 5 shows a hose piece 18 which has already been filled through its opening 62 and again offers a trapezoidal front view. The piece of tubing still hangs on the grippers 21. The alignment and shaping of the support surface 58 has already been pointed out above. The sectional view in FIG. 6, which has the line of sight (FIG. 5) sketched by the arrows 67, illustrates once again how the support surface 58 can be shaped.
In den Figuren 5 und 6 wird der Abstand 61 als vertikaler Abstand (y) zwischen dem Schnittpunkt der Sacköffnung 62 und der Hauptsymmetrieachse 65 sowie dem tiefsten Punkt der Stützfläche 58 am Ende der aktivierbaren Kontaktfläche 71 dargestellt. Dieser Punkt ist natürlich zugleich der Punkt der aktivierbaren Kontaktfläche 71 , der von der Sacköffnung am weitesten entfernt ist.  In FIGS. 5 and 6, the distance 61 is represented as a vertical distance (y) between the intersection of the blind opening 62 and the main axis of symmetry 65 and the lowest point of the support surface 58 at the end of the activatable contact surface 71. Of course, this point is at the same time the point of the activatable contact surface 71 which is furthest away from the blind opening.
Es ist vorteilhaft, im Rahmen der erfindungsgemäßen Verfahren die Beutel 60 mit Consumer-Produkten zu befüllen. Zu diesen Produkten zählen Petfood und andere Waren für die Haustierhaltung wie Katzenstreu und Ähnliches.  It is advantageous in the context of the inventive method to fill the bags 60 with consumer products. These products include pet food and other pet goods such as cat litter and the like.
Schüttfähige Artikel wie granulatartiges Tierfutter eignen sich besonders gut. Es hat sich gezeigt, dass die vorstehend in den Ausführungsbeispielen und den Unteransprüchen offenbarten Verfahrens- und Vorrichtungsmerkmale auch dann von Vorteil sind, wenn zwei aufeinander folgende Trennlinien (42) in den Schlauch (4) in einem Abstand (61 ) eingebracht werden, der nicht geringer ist als der Abstand (64) zwischen den beiden Rändern (50,51 ) des Schlauches (4). Dies gilt auch wenn die Vorrichtung 1 nicht zu der Herstellung von Beuteln 60 fortgebildet ist, bei denen der Abstand zwischen den Querschweißnähten 42 kleiner ist als der zwischen den Rändern 50 und 51 . Bezugszeichenliste Bulk articles such as granular animal feed are particularly well suited. It has been found that the process and apparatus features disclosed above in the exemplary embodiments and the subclaims are also advantageous if two successive parting lines (42) are introduced into the hose (4) at a distance (61) which is not is less than the distance (64) between the two edges (50,51) of the hose (4). This is true even if the apparatus 1 is not further developed for the production of bags 60 in which the distance between the transverse welds 42 is smaller than that between the edges 50 and 51. LIST OF REFERENCE NUMBERS
Vorrichtung zum Herstellen und Befüllen von Säcken Device for producing and filling bags
Tragarm Beam
Wickel  reel
Folie /Schlauchförmige Folie / Folienschlauch Foil / tubular film / film tube
Transportwalze transport roller
Umlenkwalze  deflecting
Transportwalze  transport roller
, 8a Transportwalze , 8a transport roller
Hebel  lever
Kolben-Zylinder-Einheit  Piston-cylinder unit
Kühlstation cooling station
Querschweißstation  Cross welding station
Parallelogrammanordnung  parallelogram
Vorschubrollenpaar  Feed roller pair
Querschneidestation  Cross-cutting station
Greifer  grab
Schlauchstück  hose Connector
Greifer  grab
Füllstation  filling station
Stationärer Greifer  Stationary gripper
Sauger  sucker
Füllstutzen  filling
Transportband  conveyor belt
Greifer  grab
Kopf- oder Bodennahtschweißstation  Head or bottom seam welding station
Sack  bag
Station zum Einbringen von Grifflöchern  Station for introducing grip holes
Registervorrichtung  register device
, 32' Werkzeugträger , 32 'tool carrier
Schweißbalken Seitenfalten welding bars gusseted
Querschweißnaht  transverse weld
Griffloch  handle hole
Eckabschweißung  corner welding
Rand des Folienschlauches  Edge of the film tube
Rand des Folienschlauches  Edge of the film tube
Längsfügung  along addition
Gestrichelter Kreis  Dashed circle
Slider  Slider
Geschweifte Klammer„Messbereich Waage"  Curly brace "Measuring range balance"
Befüllung durch die Öffnung 62 des Schlauchstückes 18  Filling through the opening 62 of the hose piece 18th
Pfeil„Verstellung Stützfläche"  Arrow "Adjustment support surface"
Stützfläche  support surface
Gestrichelte Linie„Höhe (y) Sacköffnung"  Dashed line "Height (y) Sack opening"
Beutel  bag
Pfeil Abstand Öffnung 62 des Schlauchstückes 18 Stützfläche 58 in vertikaler Richtung  Arrow distance opening 62 of the hose piece 18 support surface 58 in the vertical direction
Öffnung des Schlauchstückes  Opening of the hose piece
„zukünftiger Trennschnitt"  "Future separation cut"
Schlauchbreite  hose width
Hauptsymmetrieachse des Schlauches 4 oder der Schlauchstücke 18  Main symmetry axis of the hose 4 or the hose pieces 18th
Horizontale  horizontal
Pfeile„Ansicht Figur 6"  Arrows "View Figure 6"
Scheitelpunkt der Stützfläche 58  Vertex of the support surface 58
Station zum Einbringen von Eckabschweißungen 26  Station for introducing Eckabschweißungen 26th
Symmetrielinie des Abfüllstutzens 23  Symmetrical line of the filling nozzle 23
Aktivierbare Kontaktfläche der Stützfläche 58 der Sackbodenunterstützungsvorrichtung  Activatable contact surface of the support surface 58 of the bag bottom support device
Rüttler  Jogger

Claims

Patentansprüche Verfahren zur Herstellung und Befüllung von Verpackungsmitteln (60), bei dem folgende Verfahrensschritte durchgeführt werden:  Process for the production and filling of packaging materials (60), in which the following process steps are carried out:
- flachgelegtes schlauchförmiges Folienmaterial (4), das eine Hauptsymmetrieachse (65) und zwei dazu parallele Schlauchränder (50,51 ) aufweist, wird entlang der Hauptsymmetrieachse (65) des Schlauches (4) von einer Rolle (3) abgewickelt,  flattened tubular film material (4) having a main axis of symmetry (65) and two parallel tube edges (50, 51) is unwound from a roll (3) along the main axis of symmetry (65) of the tube (4),
- das schlauchförmige Material (4) wird durch einen Schweiß- und Trennvorgang mit einer ersten zur Schlauchachse (65) senkrechten Querschweißnaht (42) versehen und entlang einer ebenfalls zur Schlauchachse (65) senkrechten Trennlinie getrennt, so dass einseitig offene vereinzelte Schlauchstücke (18) entstehen,  - The tubular material (4) is provided by a welding and separating operation with a first to the tube axis (65) vertical transverse weld (42) and along a likewise to the tube axis (65) vertical separating line, so that unilaterally open isolated tubing pieces (18) arise
- die einseitig offenen Schlauchstücke (18) werden in der Abfüllstation mit der Schwerkraft durch ihr noch offenes Ende (62) mit einem Füllmaterial befüllt, - The unilaterally open hose pieces (18) are filled in the filling station with gravity through its still open end (62) with a filling material,
- das noch offene Ende (62) der einseitig offenen Schlauchstücke (18) wird mit einer zweiten Schweißnaht (42), die ebenfalls senkrecht zur Schlauchachse (65) verläuft, versehen, - The still open end (62) of the unilaterally open hose pieces (18) is provided with a second weld (42), which is also perpendicular to the hose axis (65), provided
dadurch gekennzeichnet, dass characterized in that
zwei aufeinander folgende Trennlinien (42) in den Schlauch (4) in einem Abstand (61 ) eingebracht werden, der geringer ist als der Abstand (64) zwischen den beiden Rändern (50,51 ) des Schlauches (4). two successive dividing lines (42) are introduced into the tube (4) at a distance (61) which is less than the distance (64) between the two edges (50, 51) of the tube (4).
2. Verfahren nach Anspruch 1 , 2. The method according to claim 1,
dadurch gekennzeichnet, dass  characterized in that
in zumindest einen Randbereich (50,51 ) des Schlauches zumindest eine Öffnungshilfe (54) eingebracht wird.  at least one opening aid (54) is introduced into at least one edge region (50, 51) of the hose.
3. Verfahren nach dem vorstehenden Anspruch, 3. Method according to the preceding claim,
dadurch gekennzeichnet, dass  characterized in that
die zumindest eine Öffnungshilfe (54) zumindest teilweise bei der Bildung des Schlauches (4) in den Schlauch eingebracht wird.  the at least one opening aid (54) is at least partially introduced into the tube during the formation of the tube (4).
4. Verfahren nach einem der beiden vorstehenden Ansprüche, 4. Method according to one of the two preceding claims,
dadurch gekennzeichnet, dass  characterized in that
die zumindest eine Öffnungshilfe (54) in das Schlauchmaterial (4) eingebracht wird, indem das Schlauchmaterial (4) geschwächt - also beispielsweise mit einer Perforation versehen - wird.  the at least one opening aid (54) is introduced into the tubing (4) by the tubing (4) weakened - so for example provided with a perforation - is.
5. Verfahren nach Anspruch 3, 5. The method according to claim 3,
dadurch gekennzeichnet, dass  characterized in that
als zumindest eine Öffnungshilfe (54) zumindest ein Wiederverschluss in das Schlauchmaterial eingebracht wird.  as at least one opening aid (54) at least one reclosure is introduced into the tubing.
6. Verfahren nach dem vorstehenden Anspruch, 6. Method according to the preceding claim,
dadurch gekennzeichnet, dass  characterized in that
als zumindest eine Öffnungshilfe (54) zumindest ein Slider in das Schlauchmaterial (4) eingebracht wird.  as at least one opening aid (54) at least one slider is introduced into the hose material (4).
7. Verfahren nach dem vorstehenden Anspruch, 7. Method according to the preceding claim,
dadurch gekennzeichnet, dass  characterized in that
die Sliderschiene (54) bei der Schlauchbildung eingebracht wird und dass der Sliderkopf auf die Sliderschiene gesetzt wird, nachdem der Schlauch von der Rolle (3) abgewickelt worden ist.  the slider rail (54) is inserted in the hose formation and that the slider head is placed on the slider rail after the hose has been unwound from the roller (3).
8. Verfahren nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass 8. The method according to any one of the preceding claims, characterized in that
in zumindest einen Randbereich (50,51 ) des Schlauches (4) vor oder nach der Vereinzelung des Schlauches (4) in Schlauchstücke (18) zumindest ein Griff (43) eingebracht wird.  in at least one edge region (50, 51) of the hose (4), before or after the separation of the hose (4) into hose pieces (18), at least one handle (43) is introduced.
9. Verfahren nach dem vorstehenden Anspruch, 9. Method according to the preceding claim,
dadurch gekennzeichnet, dass  characterized in that
in zumindest einen Randbereich des Schlauches (50,51 ) zumindest ein Griff (43) eingebracht wird, während der abgewickelte Schlauch (4) intermittierend gefördert wird.  at least one handle (43) is introduced into at least one edge region of the hose (50, 51), while the unwound hose (4) is conveyed intermittently.
10. Verfahren nach einem der vorstehenden Ansprüche 10. The method according to any one of the preceding claims
dadurch gekennzeichnet, dass  characterized in that
in zumindest einen Randbereich (50,51 ) des Schlauches (4) vor oder nach der Vereinzelung des Schlauches (4) in Schlauchstücke (18) zwei Eckabschwei- ßungen (46) eingebracht werden.  in at least one edge region (50,51) of the hose (4) before or after the separation of the hose (4) in hose pieces (18) two Eckabschwei- bungen (46) are introduced.
1 1 . Vorrichtung zur Herstellung und Befüllung von Verpackungsmitteln (60) aus flachgelegtem schlauchförmigem Folienmaterial (4), das eine Hauptsymmetrieachse (65) und zwei dazu parallele Schlauchränder (50,51 ) aufweist, 1 1. Device for producing and filling packaging means (60) made of flat tubular film material (4), which has a main axis of symmetry (65) and two tube edges (50, 51) parallel thereto,
wobei der Abstand (64) der Schlauchränder (50,51 ) zueinander die jeweilige Arbeitsbreite ist, die Vorrichtung (1 ) eine maximale Arbeitsbreite aufweist und folgende Vorrichtungsmerkmale an der Vorrichtung (1 ) vorhanden sind:  wherein the distance (64) of the tube edges (50, 51) from each other is the respective working width, the device (1) has a maximum working width and the following device features are present on the device (1):
- eine Abwickelvorrichtung (2,3), mit welcher (2,3) das flachgelegte schlauchförmige Folienmaterial (4) entlang der Hauptsymmetrieachse (65) des Schlauches (4) von einer Rolle (3) abwickelbar ist,  a unwinding device (2, 3) with which (2,3) the flattened tubular film material (4) can be unwound from a roll (3) along the main axis of symmetry (65) of the hose (4),
- Vorrichtungen zum Schweißen (13) und Trennen (16) des Schlauches (4) entlang zur Schlauchachse (65) weitgehend senkrechter Linien,  - Devices for welding (13) and separating (16) of the hose (4) along the tube axis (65) largely vertical lines,
- eine Abfüllstation (23), mit der die beim Schweiß- und Trennvorgang entstandenen einseitig offenen Schlauchstücke (18) mit der Schwerkraft durch ihr noch offenes Ende (62) mit einem Füllmaterial befüllbar sind, a filling station (23), with which the unidirectionally open hose pieces (18) formed during the welding and separating process can be filled with gravity by their still open end (62) with a filling material,
- eine weitere Schweißstation (26), mit der das noch offene Ende (62) der einseitig offenen Schlauchstücke (18) mit einer zweiten Schweißnaht (42), die ebenfalls senkrecht zur Schlauchachse (65) verläuft, verschließbar ist,- Another welding station (26), with the still open end (62) of the unilaterally open hose pieces (18) with a second weld (42), the also perpendicular to the tube axis (65) extends, is closable,
- einer Sackbodenunterstützungsvorrichtung (24), mit welcher der Sackboden während des Befüllens unterstützbar ist, a sack bottom support device (24), with which the sack bottom can be supported during filling,
dadurch gekennzeichnet, dass  characterized in that
- der Abstand (61 ), den die Stützfläche (58) der Sackbodenunterstützungsvor- richtung (24) und die Öffnung (62) der einseitig offenen Schlauchstücke (18) in der Abfüllstation (23) in vertikaler Richtung (y) zueinander aufweisen, - The distance (61), the support surface (58) of the Sackbodenunterstützungsvor- direction (24) and the opening (62) of the unilaterally open hose pieces (18) in the filling station (23) in the vertical direction (y) to each other
- derart einstellbar oder derart festgelegt ist, - is adjustable or fixed in such a way,
- dass er (61 ) kleiner als oder gleich wie die maximale Arbeitsbreite der Vorrichtung (1 ) ist.  - That it (61) is less than or equal to the maximum working width of the device (1).
12. Vorrichtung nach Anspruch 1 1 , 12. Device according to claim 1 1,
dadurch gekennzeichnet, dass  characterized in that
Eckabschweißungsvorrichtungen (46), Vorrichtungen zum Einbringen eines Griffes (28) und/oder Vorrichtungen zum Aufbringen zumindest einer Schweißoder Fügenaht vorgesehen sind, mit denen nur ein Rand (50,51 ) des Folien- schlauchs (4) beziehungsweise der vereinzelten Schlauchstücke (18) bearbeitbar ist.  Eckabschweißungsvorrichtungen (46), devices for introducing a handle (28) and / or devices for applying at least one weld or joint seam are provided, with which only one edge (50,51) of the film tube (4) or the isolated hose pieces (18) is workable.
13. Vorrichtung nach Anspruch 12, 13. Device according to claim 12,
dadurch gekennzeichnet, dass  characterized in that
- Eckabschweißungsvorrichtungen (46), Vorrichtungen zum Einbringen eines Griffes (28) und/oder Vorrichtungen zum Aufbringen zumindest einer Schweiß- oder Fügenaht vorgesehen sind, mit denen beide Ränder (50,51 ) des Folienschlauchs (4) beziehungsweise der vereinzelten Schlauchstücke (18) bearbeitbar sind,  - Eckabschweißungsvorrichtungen (46), devices for introducing a handle (28) and / or devices for applying at least one weld or joint seam are provided, with which both edges (50,51) of the film tube (4) or the individual pieces of tubing (18) are workable,
- und dass die betreffenden Vorrichtungen (28,46) zwischen der Bearbeitung eines Randes und der Bearbeitung beider Ränder (50,51 ) umschaltbar sind.  - And that the respective devices (28,46) between the processing of an edge and the processing of both edges (50,51) are switchable.
14. Vorrichtung nach einem der vorstehenden Ansprüche, 14. Device according to one of the preceding claims,
dadurch gekennzeichnet, dass  characterized in that
die Symmetrielinie (70) des Abfüllstutzens der Befüllstation (23) und/oder die Symmetrielinie des Wägebehälters relativ zu der Hauptsymmetrielinie (65) der Schlauchstücke (18) in der Befüllstation verschoben ist oder dass die relative Lage dieser Synnnnetrielinie des Abfüllstutzens und/oder des Wägebehälters zu der Hauptsymmet elinie der Schlauchstücke verschiebbar ist. the line of symmetry (70) of the filling nozzle of the filling station (23) and / or the symmetry line of the weighing container relative to the main line of symmetry (65) of the Hose pieces (18) is displaced in the filling station or that the relative position of this Synnnnetrielinie the filler neck and / or the weighing container to the Hauptsymmet line of the hose pieces is displaceable.
15. Vorrichtung nach einem der vorstehenden Ansprüche, 15. Device according to one of the preceding claims,
dadurch gekennzeichnet, dass  characterized in that
der aktivierbare Kontaktbereich (71 ) der Stützfläche (58) der Sackbodenunter- stützungsvorrichtung (24) mit den Schlauchstücken (18) gegenüber einer Horizontalen (66) in der Befüllstation einen Winkel (a) aufweist.  the activatable contact region (71) of the support surface (58) of the sack bottom support device (24) with the hose pieces (18) has an angle (a) in the filling station relative to a horizontal (66).
EP11718010.9A 2010-04-29 2011-04-28 Method and device for producing and filling packaging means Not-in-force EP2563672B1 (en)

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DE102010028394.0A DE102010028394B4 (en) 2010-04-29 2010-04-29 Method and device for producing and filling packaging materials
PCT/EP2011/056734 WO2011135025A1 (en) 2010-04-29 2011-04-28 Method and device for producing and filling packaging means

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EP2563672B1 (en) 2015-11-11
ES2561252T3 (en) 2016-02-25
DE102010028394B4 (en) 2019-05-23
PL2563672T3 (en) 2016-04-29
WO2011135025A1 (en) 2011-11-03
US20130036710A1 (en) 2013-02-14
US10046878B2 (en) 2018-08-14
DE102010028394A1 (en) 2011-11-03

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