WO2005063580A2 - Appareil et procede pour produire un sac tubulaire - Google Patents

Appareil et procede pour produire un sac tubulaire Download PDF

Info

Publication number
WO2005063580A2
WO2005063580A2 PCT/EP2004/014615 EP2004014615W WO2005063580A2 WO 2005063580 A2 WO2005063580 A2 WO 2005063580A2 EP 2004014615 W EP2004014615 W EP 2004014615W WO 2005063580 A2 WO2005063580 A2 WO 2005063580A2
Authority
WO
WIPO (PCT)
Prior art keywords
bag
sidewall
cross
packaging
towards
Prior art date
Application number
PCT/EP2004/014615
Other languages
English (en)
Other versions
WO2005063580A3 (fr
Inventor
Peter Joseph Hendriks
Rudol Adrianus Van Gulik
Original Assignee
Cfs Weert B.V.
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 Cfs Weert B.V. filed Critical Cfs Weert B.V.
Priority to US10/584,361 priority Critical patent/US20070271878A1/en
Publication of WO2005063580A2 publication Critical patent/WO2005063580A2/fr
Publication of WO2005063580A3 publication Critical patent/WO2005063580A3/fr

Links

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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/28—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for discharging completed packages from machines
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/24—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for shaping or reshaping completed packages
    • 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
    • B65B9/00—Enclosing 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
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing 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 webs being formed into tubes in situ around the filling nozzles
    • 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
    • B65B9/00—Enclosing 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
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing 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 webs being formed into tubes in situ around the filling nozzles
    • B65B9/2042—Means for altering the cross-section of the tube filling opening prior to transversal sealing, e.g. tube spreading devices
    • 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
    • B65B2220/00—Specific aspects of the packaging operation
    • B65B2220/12—Creating additional longitudinal welds on horizontal or vertical form fill seal [FFS] machines for stiffening packages or for creating package edges

Definitions

  • the present invention relates to an apparatus to bend a first and a second cross seal of the bag made of a flexible packing material towards the sidewall.
  • the present invention further relates to a packaging machine comprising the inventive apparatus and a method for producing a bag made of a flexible packaging material.
  • inventive apparatus allows to produce bags with cross seals bent towards the sidewall of the bag.
  • inventive apparatus is produced and operated easily and cost-efficiently.
  • the apparatus comprises first and second means to orientate the first and the second cross seal towards the sidewall of the bag.
  • These means can be any means known by a person skilled in the art which bends the cross seal toward the sidewall.
  • these bending means are one or more nozzles which blows gas, preferably air against one side of the cross seals in order to bend them to the sidewall.
  • the bending means are mechanical means like a plate.
  • the inventive apparatus comprises turning means in order to turn the bag, preferably upside down. Before the bag is turned, it is fixed at the turning means.
  • the turning mean comprises fixing means, for example clamping jaws or means to produce a vacuum in order to fix the bag at the turning means. After the bag has been fixed at the turning means, the turning mean rotate preferably by 180 °.
  • the turning means comprises a plane, preferably a plate, on which the bag after the lower cross seal has been bend, is dropped. Due to the impetus and due to the weight of the packaged item, the bend cross seals and/or the side folds of the bag are further shaped; i. e. the shape of a cuboid is improved.
  • Another subject matter of the present invention is a packaging machine, preferably a vertical type packing machine for producing tubular bags from a foil web which comprises the inventive apparatus to bend the first and the second cross seal.
  • inventive packaging machine is produced and operated easily and cost- efficiently.
  • inventive packaging machine allows to produce packaging bags which have almost a cuboid shape.
  • Another subject matter of the present invention is a method to produce a bag made of a flexible packaging material and filled with packaging item whereas the bag is turned while it is produced.
  • two cross seals of the bag are oriented towards the sidewall of the bag.
  • the shape of the bag is stabilized by the packaging item.
  • the cross seals are bent towards the sidewall of the bag by the weight of the packaging item.
  • Another subject matter of the present invention is a method to produce a bag made of a flexible material filled with a packaging item and comprising a side wall, whereas the weight of the packaging item is used to support the shaping of at least 2 sides of the side wall.
  • Figure 1 a cuboid bag.
  • Figure 2 a scheme of a vertical form fill packaging machine.
  • FIG. 3 an embodiment of the inventive apparatus.
  • Figure 1 shows a tubular cuboid shape bag which can be filled with a packaging item (not depicted).
  • the bag comprises a sidewall 5 and a top area 22 and a bottom area 23.
  • the bag has four side folds 19, 29, 21 , 24 whereby two side folds, e.g. sidefolds 19, 29 and sidefolds 21 , 24 are sealed together by cross seals 1 , 2, respectively.
  • the bag At the top and at the bottom, the bag comprises welded edges 18 in order to improve the cuboid form.
  • the longitudinal seal 17 extends or is aligned with one of the welded edges 18. It can be seen that the cross seal 2 has already been bent towards the sidewall of the bag, especially towards the sidefolds, while cross seal 1 is still more or less perpendicular with respect to the sidefolds
  • a vertical form fills a seal packaging machine; i. e. a vertical flow rapper is systematically depicted, which allows for example the production of the bag according to Figure 1.
  • a web of a foil 9, especially a sealable plastic film 9, is supplied by rolls (not shown) of film material.
  • the foil 9 web is then shaped by the shaping shoulder 16 to provide a rather tubular form to the material.
  • tubular form of the bags or of the foil means any cross-sectional form including a circular form or another form, and especially a rectangular or generally a polygonal form.
  • the vertical flow wrapper further comprises longitudinal sealing means 27 in order to produce the longitudinal seal 17 of the bag and edge sealing means 30 in order to manufacture edge seals 18.
  • the edge seals are optional.
  • the bottom of the bag 2 can be formed by a special bottom forming means 13.
  • the bottom forming means especially comprise means to produce the sidefolds 19, 21 , 24 and 29.
  • cross seals 1 , 2, extending perpendicularly (or transversally) to the direction of flow of the foil, are applied, especially by means of cross-seal jaws 14.
  • the cross seal jaws 14 further comprises cutting means which separate the completed bags.
  • the cross seal applied is the bottom seal 2 for one bag and the top seal 1 the next bag.
  • Figure 3 shows the inventive apparatus which is arranged under the cross seal 14 according to Figure 2.
  • the packaging item is positioned above the nozzles 4.
  • the nozzles 4 are directed towards the side of lower cross seal 2 of the packaging item according to Figure 1. Air is ejected through the nozzles 4 for a very short period of time, i. e. some milliseconds in order bend the cross seal 2 towards the sidewall, while the upper cross seal 1 of the bag according to Figure 1 is produced and the bag 3 is cut from the foil web 9. After the bag 3 has been separated from the foil web, it drops into the gap 25 and hits plate 8. Since the lower seal 2 is already bent by the nozzles 4 and due to the impetus and the weight of the packaged items, cross seal 2 is further bent towards the sidewall.
  • the side folds 21 and 24 are further allined towards the lower side of the packaging item, so that the cuboid-shape of the bag is improved. Since the cross seal 2 still has an elevated temperature which is caused by the cross seal process, the cross seal 2 is deformed plastically.
  • the bag looks now as shown in figure 1 ; i.e. cross seal 1 has not yet been bent.
  • jaws 12 are moved towards each other to fix the bag 3.
  • the turntable 7 rotates counter-clockwise by 180 °
  • turntable 7 needs not rotate back and forth, but can always rotate in one direction.
  • the inventive apparatus further comprises another set of nozzles 6 which can eject air and which are directed against the side of cross seal 1 after the bag has been turned upside down by the turntable 7.
  • the nozzles 6 or any other means to bend the cross seals need not be at the lower end, but can be anywhere in the vicinity of the inventive apparatus. Due to the impact of the air, the upper cross seal 1 , which still has an elevated temperature, is also oriented towards the sidewall. The orientation of cross seal 1 can be in the same direction as cross seal 2 or asymmetrical.
  • the jaws 12 are moved apart, so that the bag 3 falls into channel 26 and from there on a plate (not depicted) which further forms the cross seal 1 as well as the side folds 19 and 23 in order to improve the cuboid shape of the bag 3. Since the seal 1 is already bent by the nozzles 4 and due to the impetus and the weight of the packaged items, cross seal 1 is further bent towards the sidewall.
  • the a. m. plate can be designed as a jotting table. Finally, the turntable rotates clockwise by 180° and the process starts again.

Landscapes

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

Abstract

La présente invention concerne un appareil conçu pour plier un premier et un second joint croisé d'un sac constitué d'une matière d'emballage souple en direction de la paroi latérale. La présente invention concerne également une machine d'emballage comprenant ledit appareil, ainsi qu'un procédé pour produire un sac constitué d'une matière d'emballage souple.
PCT/EP2004/014615 2003-12-23 2004-12-22 Appareil et procede pour produire un sac tubulaire WO2005063580A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US10/584,361 US20070271878A1 (en) 2003-12-23 2004-12-22 Apparatus And Process For Producing A Tabular Bag

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03029722.0 2003-12-23
EP03029722A EP1547924A1 (fr) 2003-12-23 2003-12-23 Dispositif et procédé pour replier deux soudures transversales d'un sachet tubulaire

Publications (2)

Publication Number Publication Date
WO2005063580A2 true WO2005063580A2 (fr) 2005-07-14
WO2005063580A3 WO2005063580A3 (fr) 2005-11-03

Family

ID=34530720

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/014615 WO2005063580A2 (fr) 2003-12-23 2004-12-22 Appareil et procede pour produire un sac tubulaire

Country Status (3)

Country Link
US (1) US20070271878A1 (fr)
EP (1) EP1547924A1 (fr)
WO (1) WO2005063580A2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8231024B2 (en) 2007-08-08 2012-07-31 Clear Lam Packaging, Inc. Flexible, stackable container and method and system for manufacturing same
US10207850B2 (en) 2012-10-26 2019-02-19 Primapak, Llc. Flexible package and method of making same
CN109018685B (zh) 2012-10-26 2021-07-06 优装有限责任公司 用于柔性包装的柔性材料
US9902517B2 (en) * 2013-11-01 2018-02-27 Frito-Lay North America, Inc. Apparatus and method for a structurally resilient package
US9840346B2 (en) * 2013-11-01 2017-12-12 Frito-Lay North America, Inc. Method and apparatus for making a structurally resilient package
CA2998754A1 (fr) * 2015-09-18 2017-03-23 Primapak, Llc Appareil et procede de fabrication d'emballage souple

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1461916A1 (de) * 1965-04-12 1969-04-17 Hesser Ag Maschf Maschine zum Herstellen,Fuellen und Verschliessen von Packungen
US4034537A (en) * 1973-07-26 1977-07-12 Altstadter Verpackungs-Vertriebs Gmbh Method and apparatus for the continuous manufacture of packages for liquids
WO2000007903A1 (fr) * 1998-08-07 2000-02-17 Atifon Comprehensive Packaging Systems (1996) Ltd. Contenant a base stabilisee et procede de fabrication associe

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL289820A (fr) * 1962-05-02
DE1218332B (de) * 1963-03-27 1966-06-02 Habra Werk Ott Kg Maschine zum Herstellen, Fuellen und Verschliessen quaderfoermiger Packungen aus einem fortlaufenden Band aus Papier mit heisssiegelfaehiger Beschichtung
DE2134473A1 (de) * 1971-07-10 1973-01-25 Hamac Hansella Gmbh Vorrichtung zum herstellen von beutelpackungen
IT1305236B1 (it) * 1998-01-30 2001-04-19 Burgopack Stampa Trasformazione Imballaggi Spa Apparecchiatura per formare contenitori a tubo a spigoli rinforzati econtenitore ottenuto con l'apparecchiatura.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1461916A1 (de) * 1965-04-12 1969-04-17 Hesser Ag Maschf Maschine zum Herstellen,Fuellen und Verschliessen von Packungen
US4034537A (en) * 1973-07-26 1977-07-12 Altstadter Verpackungs-Vertriebs Gmbh Method and apparatus for the continuous manufacture of packages for liquids
WO2000007903A1 (fr) * 1998-08-07 2000-02-17 Atifon Comprehensive Packaging Systems (1996) Ltd. Contenant a base stabilisee et procede de fabrication associe

Also Published As

Publication number Publication date
US20070271878A1 (en) 2007-11-29
EP1547924A1 (fr) 2005-06-29
WO2005063580A3 (fr) 2005-11-03

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