WO2009144090A1 - Poche flexible à fermeture à glissière - Google Patents

Poche flexible à fermeture à glissière Download PDF

Info

Publication number
WO2009144090A1
WO2009144090A1 PCT/EP2009/054566 EP2009054566W WO2009144090A1 WO 2009144090 A1 WO2009144090 A1 WO 2009144090A1 EP 2009054566 W EP2009054566 W EP 2009054566W WO 2009144090 A1 WO2009144090 A1 WO 2009144090A1
Authority
WO
WIPO (PCT)
Prior art keywords
pouch
platform
closure mechanism
strip
thin membrane
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.)
Ceased
Application number
PCT/EP2009/054566
Other languages
English (en)
Inventor
Ron Berman
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.)
Syntegon Pouch Systems AG
Original Assignee
Bosch Pouch Systems AG
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 Bosch Pouch Systems AG filed Critical Bosch Pouch Systems AG
Priority to CN2009801191268A priority Critical patent/CN102046490B/zh
Priority to EP09753745A priority patent/EP2288555B1/fr
Priority to AT09753745T priority patent/ATE529350T1/de
Publication of WO2009144090A1 publication Critical patent/WO2009144090A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5861—Spouts
    • B65D75/5872—Non-integral spouts
    • B65D75/5877—Non-integral spouts connected to a planar surface of the package wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2575/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D2575/52—Details
    • B65D2575/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D2575/583—Opening or contents-removing devices added or incorporated during package manufacture the non-integral spout having an elongate cross-sectional shape, e.g. canoe or boat shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2575/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D2575/52—Details
    • B65D2575/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D2575/586—Opening or contents-removing devices added or incorporated during package manufacture with means for reclosing

Definitions

  • the present invention relates generally to flexible containers for liquids and gels, and dry contents, and more particularly to a disposable flexible pouch with a removable strip that can be pulled to gain access to the contents of the pouch.
  • the present invention is characterized by a thin film pouch with a front wall, and rear wall, and an opening in said front wall, and further comprising a closure mechanism comprising a thin membrane patch bonded to said pouch about a periphery of said opening, a platform bonded to said thin membrane patch, said platform including a window formed therein and a plurality of cutting surfaces adjacent said window, and a pull strip bonded to said thin membrane patch and attached to said platform by a frangible membrane, wherein a removal of the pull strip ruptures said frangible membrane and tears said thin membrane patch at said cutting surfaces.
  • FIG. Ia is an elevated perspective view of a first preferred embodiment of the present invention prior to release of the pull tab;
  • FIG. Ib is an elevated perspective view of a first preferred embodiment of the present invention with the pull tab partially released;
  • FIG. Ic is an elevated perspective view of a first preferred embodiment of the present invention with the pull tab fully released;
  • FIG. 2 is an elevated perspective view of the embodiment of FIG. 1 after release of the pull tab
  • FIG. 3 is an enlarged, lower perspective view of the pull strip and platform of the present invention.
  • FIG. 4 is an enlarged, elevated perspective view of the pull strip being lifted off the platform
  • FIG. 5a is an enlarged, cross-sectional view of the pull strip and platform prior to actuation of the pull tab;
  • FIG. 5b is an enlarged, cross-sectional view of the pull strip and platform after actuation of the pull tab
  • FIG. 6a is an enlarged, cross-sectional view of a second embodiment of the pull strip and platform prior to actuation of the pull tab;
  • FIG. 6b is an enlarged, cross-sectional view of the embodiment of FIG. 6a after actuation of the pull tab;
  • FIG. 7a is an enlarged, cross-sectional view of a re-closable embodiment of FIG. 5 prior to actuation of the pull tab;
  • FIG. 7b is an enlarged, cross-sectional view of the embodiment of FIG. 7a after actuation of the pull tab.
  • FIGS Ia-Ic illustrate a flexible pouch having a pull strip as part of a zip release opening that can be actuated to tear an elongate strip of pouch away from the body of the pouch to gain access to the contents therein.
  • the pouch 10 includes a body having a base 12, a front surface 14, a rear surface 16, side surfaces 18, and a top 20.
  • the pouch may have a gable design as shown, or can take the form of a brick, triangular, or pillow-shaped pouch.
  • the pouch 10 may be created by any of the many known techniques for formulating a closed container that incorporates a thin walled member.
  • the pouch 10 of the present invention includes a pull strip 22 including a free end 22a that can be grasped between a thumb and forefinger to actuate the zip release opening 25.
  • the free end 22a of the pull strip 22 preferably includes a grasping member can take many forms, such as a spherical anchor 24, annular ring, or flat tab with ridges that can be easily grasped.
  • the pull strip 22 is pulled back to engage the thin wall 32 of the pouch's outer skin, and then retracted to tear open an elongate aperture 25 on the pouch 10 to expose the pouch's interior. When the pull strip 22 is fully retracted as shown in Fig.
  • the contents 28 of the pouch 10 can be poured out or otherwise accessed in an expeditious manner as shown in FIG. 2.
  • the pouch 10 can be formed with a pouring ledge 30 or other spout structure to prevent fluid from dribbling down the front surface 14 of the pouch during pouring. The coupling of the pull strip 22 to the pouch will now be described in more detail.
  • FIGs 3 and 4 illustrate the operation of the pull strip 22 from initial deployment to full release.
  • the pull strip 22 comprises an elongate plastic strip 36 that is affixed to a rectangular platform 38 with an elongate window 44 disposed therein and covered by the plastic strip 36.
  • On the border 39 of the platform 38 that defines the window 44 are first and second rows of downwardly directed cutting teeth 42 along each longitudinal edge, and a larger cutting tooth 46 at an edge where the free end 22a is located.
  • the platform 38 is bonded to a thin membrane patch 41 that connects the platform 38 to the edge 32 of the pouch.
  • the plastic strip 36 is also bonded to the thin membrane patch 41a, where the bonding of the plastic strip 36 to the membrane patch 41a is surrounded by the cutting teeth 42, 46.
  • a slightly raised surface 37 In between the bonding of the patch 41a and the patch 41 at the perimeter of the platform 38 is a slightly raised surface 37 (FIG. 3a).
  • the cutting teeth 42, 46 are fully concealed beneath the raised surface 37 of the membrane patch 41 prior to actuation of the pull strip 22.
  • the pull strip 22 is initially lifted as shown in Fig. 3b, the plastic strip 36 begins to separate from the platform 38, and the thin film membrane 41a attached to the plastic strip 36 is pulled upward against the cutting teeth 42.
  • the cutting teeth 42 pierce the thin membrane 41, beginning with the tooth 46, as shown in Fig. 3b.
  • Fig. 3d shows the pouch opening with the plastic strip 36 separated from the platform 38 to fully expose the window 44 and create the pour spout for the pouch.
  • FIG. 5a shows a cross-sectional view of the closure prior to actuation of the pull strip 22.
  • the plastic strip 36 carries the pull tab 24 at a proximal end, and rests between edges 39 of the platform 38.
  • Cutting teeth 42 are disposed along the edges 39 and project below the lower surface of the platform 38.
  • the patch 41,41a are bonded to the bottom surface of the plastic strip 36 and the bottom surface of the platform on opposite sides of the cutting teeth 42.
  • small raised tabs can preferably extend from those surfaces where said bonding occurs.
  • the plastic strip 36 is attached to the cutting teeth 42, 46 by a thin frangible sheet 47 in a septic embodiment shown in Figure 5.
  • FIG. 6a an alternative embodiment is illustrated (non- septic) where the thin membrane 41a is omitted.
  • the platform 38 is bonded to the membrane patch 41, which in turn is bonded to the outer edge of the pouch 10.
  • the pull strip 22 is connected to the platform 38 by a thin sheet 47, but the bottom surface 51 of the plastic strip 36 is exposed to the interior of the pouch 10. As shown in FIG.
  • FIG. 7a and 7b illustrate another embodiment of the closure that can be re-closed after opening.
  • the platform 38 is formed with retaining ledges 55a,b that extend slightly over the outer edges of the plastic strip 36. After the pull tab 22 is actuated and the sheets 47 are ruptured, the contents of the pouch can be accessed. If it is desired to re-close the opening, the plastic strip 36 can be returned to the platform 38 and the retaining ledges 55a,b flex to allow the plastic strip to return to the platform 38 where it is held in place by the retaining ledges.
  • the closure of the present invention can be made of any sturdy plastic such as polyethylene or polypropylene, as long as economic bonding techniques such as, for example, ultrasonic bonding, will work with the plastic. Because the closure is molded in the closed position, it can be made from a single cavity mold, which is atypical for this type of closure. Using a single cavity mold significantly reduces the costs of manufacturing the closure, making the present invention very economical compared with alterative closure means.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)

Abstract

Une poche jetable à parois minces (10) comporte une paroi avant et une paroi arrière, ainsi qu’une ouverture dans ladite paroi avant. Celle poche comprend en outre un mécanisme de fermeture comprenant une pièce à membrane mince (41) liée à ladite poche autour d’une périphérie de ladite ouverture, une plate-forme (38) liée à ladite pièce à membrane mince, ladite plate-forme comprenant une fenêtre (44) formée dans celle-ci et une pluralité de surfaces de découpe (42) adjacentes à ladite fenêtre, et une bande de tirage (36) liée à ladite pièce à membrane mince (41) et attachée à ladite plate-forme par une membrane cassante. Le retrait de la bande de tirage (36) rompt ladite membrane cassante et déchire ladite pièce à membrane mince (41) au niveau desdites surfaces de découpe.
PCT/EP2009/054566 2008-05-29 2009-04-16 Poche flexible à fermeture à glissière Ceased WO2009144090A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2009801191268A CN102046490B (zh) 2008-05-29 2009-04-16 拉链密封的柔性袋体
EP09753745A EP2288555B1 (fr) 2008-05-29 2009-04-16 Poche flexible à fermeture à glissière
AT09753745T ATE529350T1 (de) 2008-05-29 2009-04-16 Flexibler beutel mit reissverschluss

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/129,500 US20090297070A1 (en) 2008-05-29 2008-05-29 Zip sealed flexible pouch
US12/129,500 2008-05-29

Publications (1)

Publication Number Publication Date
WO2009144090A1 true WO2009144090A1 (fr) 2009-12-03

Family

ID=40777862

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/054566 Ceased WO2009144090A1 (fr) 2008-05-29 2009-04-16 Poche flexible à fermeture à glissière

Country Status (5)

Country Link
US (1) US20090297070A1 (fr)
EP (1) EP2288555B1 (fr)
CN (1) CN102046490B (fr)
AT (1) ATE529350T1 (fr)
WO (1) WO2009144090A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180327161A1 (en) * 2017-05-11 2018-11-15 Relish Labs, LLC Meal-kit preparation and shipping system
CN113581636A (zh) * 2020-04-30 2021-11-02 金红叶纸业(湖北)有限公司 一种中包袋及生活用纸

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004063033A1 (fr) 2003-01-08 2004-07-29 Schöttli AG Bec verseur en plastique a ouverture facile et moule a injection pour realiser ce bec verseur
US20050150785A1 (en) * 2004-01-12 2005-07-14 Nice-Pak Products, Inc. Resealable perforated label for consumer products
WO2007149231A2 (fr) * 2006-06-21 2007-12-27 Bosch Pouch Systems Ag Procédé pour fixer un bec verseur à une poche de film flexible

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4838429A (en) * 1986-10-10 1989-06-13 Baxter International Inc. Flexible thermoplastic pouches having easy-open tear strip means and apparatus for making same
US5167608A (en) * 1991-10-07 1992-12-01 Steffens Jr Leonard Bag severing and sealing apparatus
IT1273180B (it) * 1994-05-05 1997-07-07 Sales Spa Dispositivo di apertura e richiusura per contenitori flessibili e contenitore dotato di tale dispositivo
IT1283599B1 (it) * 1996-04-16 1998-04-22 Tetra Laval Holdings & Finance Disposizione di apertura per contenitori di confezionamento
IT1286074B1 (it) * 1996-10-31 1998-07-07 Tetra Laval Holdings & Finance Dispositivo di apertura su un materiale in foglio da imballaggio
JP2000053126A (ja) * 1998-08-05 2000-02-22 Nihon Tetra Pak Kk 包装容器
US6073807A (en) * 1998-11-18 2000-06-13 Packaging Systems, Inc. Flexible container with evacuation form insert
AU2003210450A1 (en) * 2002-01-04 2003-07-24 Scholle Corporation Fitment and package for storing fluid-containing materials and methods for their production
AU2003271490A1 (en) * 2002-10-29 2004-05-25 Sig Technology Ltd. Pouring spout seal for composite packagings
US8113374B2 (en) * 2006-08-21 2012-02-14 Tropicana Products, Inc. Closure for container having removable portion and sealing membrane

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004063033A1 (fr) 2003-01-08 2004-07-29 Schöttli AG Bec verseur en plastique a ouverture facile et moule a injection pour realiser ce bec verseur
US20050150785A1 (en) * 2004-01-12 2005-07-14 Nice-Pak Products, Inc. Resealable perforated label for consumer products
WO2007149231A2 (fr) * 2006-06-21 2007-12-27 Bosch Pouch Systems Ag Procédé pour fixer un bec verseur à une poche de film flexible

Also Published As

Publication number Publication date
EP2288555B1 (fr) 2011-10-19
CN102046490A (zh) 2011-05-04
ATE529350T1 (de) 2011-11-15
EP2288555A1 (fr) 2011-03-02
CN102046490B (zh) 2013-01-02
US20090297070A1 (en) 2009-12-03

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