EP1773576B3 - Verfahren und vorrichtung zur herstellung und befüllung von säcken - Google Patents

Verfahren und vorrichtung zur herstellung und befüllung von säcken Download PDF

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Publication number
EP1773576B3
EP1773576B3 EP05762405A EP05762405A EP1773576B3 EP 1773576 B3 EP1773576 B3 EP 1773576B3 EP 05762405 A EP05762405 A EP 05762405A EP 05762405 A EP05762405 A EP 05762405A EP 1773576 B3 EP1773576 B3 EP 1773576B3
Authority
EP
European Patent Office
Prior art keywords
sacks
tubular material
sack
forming device
filling
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.)
Not-in-force
Application number
EP05762405A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1773576A1 (de
EP1773576B1 (de
Inventor
Uwe Köhn
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34972736&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1773576(B3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Priority to PL05762405T priority Critical patent/PL1773576T6/pl
Publication of EP1773576A1 publication Critical patent/EP1773576A1/de
Application granted granted Critical
Publication of EP1773576B1 publication Critical patent/EP1773576B1/de
Publication of EP1773576B3 publication Critical patent/EP1773576B3/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00—Packaging 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
    • B65B1/02—Machines characterised by the incorporation of means for making the containers or receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/04—Forming flat bags from webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42—Feeding 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
    • B65B43/46—Feeding 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
    • B65B43/465—Feeding 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
    • B31B2150/001—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom
    • B31B2150/0012—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom having their openings facing in the direction of movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
    • B31B2150/003—Flexible containers made from sheets or blanks, e.g. from flattened tubes made from tubular sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B31B2155/003—Flexible containers made from webs starting from tubular webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • B31B2160/106—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents obtained from sheets cut from larger sheets or webs before finishing the bag forming operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/20—Shape of flexible containers with structural provision for thickness of contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/741—Moistening; Drying; Cooling; Heating; Sterilizing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/008—Stiffening or reinforcing

Definitions

  • the invention relates to a method for producing and filling bags according to the preamble of claim 1 and an apparatus for producing and filling bags according to the preamble of claim 13.
  • FFS machines so-called "form, fill and salt” machines
  • FFS machines show the patent US 6,428,456 B1 , which starts in the manufacture of bags from a flexible, flat web, which is initially folded over a pulling shoulder, which is arranged at the upper end of a tube to an open tube. To form a permanent tube, the overlapping side regions of the web are to be welded together. Below the tube, the bottom of the later bag is formed in a further processing step by a cross-seam is applied. Then the bag is filled through the tube, sealed and separated from the subsequent tube. This type of production is used primarily for filling low product weights, as are typical of the food industry.
  • film hoses are formed for processing on the FFS machines by blown film extrusion, the format of which (here the circumference thereof) coincides with that of the sack formed.
  • this procedure leads to the fact that already relatively expensive format changes have to be made on the extrusion lines in order to be able to realize different bag formats.
  • the formats required for bag formation are relatively small and can be produced relatively uneconomical. Blown film lines of larger format produce the same film at a lower cost per unit area.
  • pieces of hose are already made in this way, the length of which corresponds to the later bags.
  • the tube pieces formed are brought directly after their production on the later bag length and supplied in isolated form Sackönön- and Be Valll Roaden.
  • This type of formation of high-quality sacks is well known, for example in the pet food sector.
  • emphasis is placed on gusseted bags that have edge seams on each of their outer pleats.
  • These bags are said to provide greater stability, but in particular a better appearance.
  • these bags are made by first making a tube by longitudinal welding of flat film. This hose is singulated into pieces of hose and subjected to further longitudinal welds.
  • the object of the present invention is to propose an FFS method and an FFS device, according to which or with the cost-effective bags can be produced and filled, which have greater stability.
  • the sacks comprise at least four longitudinal seams
  • the tubular material in the sacking device is provided with longitudinal seams which extend over at least a large part of the sacks before the tubular material is singulated into pieces of hose and transported by the grippers to the filling device.
  • seams or longitudinal seams is to be understood in this context as a generic term for seams and all other seams, including the edge seams, in particular, the edge seams just do not have the task of holding together the joints of flat films as connecting seams.
  • the function of the edge seams consists in the illustrated stabilization of the bag, which supports in particular the expression of an approximately cuboid shape in its filled state and thus facilitates the stacking of such bags.
  • the formation of the longitudinal seams can take place before the transverse welds are formed.
  • the tubular material can be provided with diagonal welds, which at the later sacks form so-called corner welds, which further increase the stability of the sacks.
  • the sacks in the bag-forming device are also filled.
  • a piece of hose which is held by holding means for the purpose of forming longitudinal or transverse seams, can be supplied by these or further holding means to a filling device.
  • the time-consuming storing, storing and resuming the hose pieces is eliminated.
  • the transport through the bag forming device advantageously take over as a gripper executed holding means.
  • the grippers can each be present in pairs, wherein they grip around the hose pieces laterally in the region of the upper edge. It may be necessary to transfer the piece of hose from one gripper pair to another gripper pair. For this purpose, transfer positions are provided, where briefly hold both pairs of grippers the hose piece.
  • the transport of the pieces of tubing or sacks takes place at least half in the horizontal direction, ie that with each movement of the pieces of hose or bags, the horizontal distance exceeds the vertical distance.
  • the tubular material can be provided with longitudinal seams during the stoppage phases of the intermittent transport.
  • longitudinal seams can also be applied during the transport of the tubular material, but in the first case, the longitudinal seams can be formed over different periods of time, although the periods are bounded above by the reciprocal clock speed, but otherwise variable. If the longitudinal seams are formed, for example, by welding, the welding duration can be selected, for example as a function of the material thickness.
  • This device 1 comprises a support arm 2, on which a winding 3 with tubular film 4 rests.
  • the tubular film 4 has gussets, not shown.
  • 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.
  • a station 28 for attaching longitudinal seams.
  • longitudinal seams are attached to the outer edges of the gussets of the tubular film, wherein the working length of the station 28 has at least the length of the later bags.
  • the longitudinal seams are usually produced by applying welds during the stoppage phases of the intermittent transport.
  • About further transport rollers 8 provided with longitudinal seams tubular film 4 is conveyed to a Eckabsch procedure 11 and a cooling station 12.
  • the tubular film 4 is pushed through the welding jaws 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 is made above the cut edge on the tubular film in the transverse welding station 13 attached, which represents the bottom of the next working cycle of the device 1 to be formed piece of hose 18.
  • the bottom production can not only, although preferably, be carried out by a transverse weld, but there are also other joining methods, such as gluing, 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 hose piece lies 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 hose piece to the top seam welding station 26, in which the hose piece 18 is closed with a head 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 sack is guided out of the device 1 by the conveyor belt 24.
  • FIGS. 2 and 3 show cross sections through tubular materials 4, which were provided by the method according to the invention with longitudinal seams. That in the Fig. 2 shown material 4 is usually produced as a tubular film and wound up after the accident with gussets 30 to a winding 3. In the station 28 for attaching longitudinal seams, the tubular material 4 was provided at its outer edges 31 with edge seams 29. This in Fig. 3 shown tubular material 4 differs from that in Fig. 2 shown material 4 by a longitudinal seam 32, with which the two edge regions of a flat film for the purpose of forming a hose are interconnected. In general, the joining is done by welding, but in practice, other joining methods such as the sealing or the application of adhesives or Holtmelt be applied.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Basic Packing Technique (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Bag Frames (AREA)
EP05762405A 2004-07-16 2005-06-30 Verfahren und vorrichtung zur herstellung und befüllung von säcken Not-in-force EP1773576B3 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05762405T PL1773576T6 (pl) 2004-07-16 2005-06-30 Sposób i urządzenie do wytwarzania i napełniania worków

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004034489A DE102004034489A1 (de) 2004-07-16 2004-07-16 Verfahren und Vorrichtung zur Herstellung und Befüllung von Säcken
PCT/EP2005/007157 WO2006007960A1 (de) 2004-07-16 2005-06-30 Verfahren und vorrichtung zur herstellung und befüllung von säcken

Publications (3)

Publication Number Publication Date
EP1773576A1 EP1773576A1 (de) 2007-04-18
EP1773576B1 EP1773576B1 (de) 2009-09-02
EP1773576B3 true EP1773576B3 (de) 2012-05-09

Family

ID=34972736

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05762405A Not-in-force EP1773576B3 (de) 2004-07-16 2005-06-30 Verfahren und vorrichtung zur herstellung und befüllung von säcken

Country Status (8)

Country Link
US (1) US7770362B2 (pl)
EP (1) EP1773576B3 (pl)
JP (2) JP2008513299A (pl)
AT (1) ATE441517T1 (pl)
DE (2) DE102004034489A1 (pl)
ES (1) ES2333136T7 (pl)
PL (1) PL1773576T6 (pl)
WO (1) WO2006007960A1 (pl)

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JP2003335347A (ja) * 2002-05-15 2003-11-25 Koji Onuma 自立性扁平袋及びその製造方法
US20040013325A1 (en) * 2002-07-22 2004-01-22 Gavin Cook Bag for flowable materials
DE102004038006A1 (de) * 2004-08-04 2006-03-02 Windmöller & Hölscher Kg Vorrichtung und Verfahren zur Herstellung und Befüllung von Säcken

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DE502005008062D1 (de) 2009-10-15
PL1773576T3 (pl) 2010-02-26
EP1773576A1 (de) 2007-04-18
JP2008513299A (ja) 2008-05-01
US20070289262A1 (en) 2007-12-20
WO2006007960A1 (de) 2006-01-26
US7770362B2 (en) 2010-08-10
DE102004034489A1 (de) 2006-04-20
ES2333136T3 (es) 2010-02-17
EP1773576B1 (de) 2009-09-02
JP2012062119A (ja) 2012-03-29
PL1773576T6 (pl) 2012-10-31
ES2333136T7 (es) 2012-11-19

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