WO2008033919A2 - Caractéristique d'ouverture de poche - Google Patents

Caractéristique d'ouverture de poche Download PDF

Info

Publication number
WO2008033919A2
WO2008033919A2 PCT/US2007/078266 US2007078266W WO2008033919A2 WO 2008033919 A2 WO2008033919 A2 WO 2008033919A2 US 2007078266 W US2007078266 W US 2007078266W WO 2008033919 A2 WO2008033919 A2 WO 2008033919A2
Authority
WO
WIPO (PCT)
Prior art keywords
pouch
pull ring
tear
edge
tear notch
Prior art date
Application number
PCT/US2007/078266
Other languages
English (en)
Other versions
WO2008033919A3 (fr
Inventor
Stuart N. Bernard
Arne H. Brauner
George A. Tuszkiewicz
Original Assignee
General Mills, Inc.
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 General Mills, Inc. filed Critical General Mills, Inc.
Publication of WO2008033919A2 publication Critical patent/WO2008033919A2/fr
Publication of WO2008033919A3 publication Critical patent/WO2008033919A3/fr

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
    • B65D75/5805—Opening or contents-removing devices added or incorporated during package manufacture for tearing a side strip parallel and next to the edge, e.g. by means of a line of weakness
    • B65D75/5811—Opening or contents-removing devices added or incorporated during package manufacture for tearing a side strip parallel and next to the edge, e.g. by means of a line of weakness and defining, after tearing, a small dispensing spout, a small orifice or the like

Definitions

  • the invention relates generally to dispensing packages and, more particularly, to peripherally sealed dispensing packages that incorporate an aperture to facilitate the opening of such packages without the use of an additional tool.
  • thermoplastic film as heat sealable packaging material and the use of materials such as polymeric bags or linear low density polyethylene, high-strength polyester and nylons in the preparation of heat sealable laminates has resulted in packages having improved sealing and barrier characteristics.
  • these materials which often provide beneficial packaging characteristics also increase the manual tear-open resistance of such packages. This tear-open resistance is accentuated when the hands and particularly, the fingers, are wet or oily, or become weakened with advanced age. Accordingly, one often finds that opening the package requires a separate or additional tool such as a pair of scissors, a knife, or one of numerous tools sold for the express purpose of performing the package opening function.
  • tear resistant packaging was provided with a starter tear tab and tear propagation feature.
  • the user is expected to start the tear at the tear notch and tear the pouch in a direction parallel to the edge of the container, removing only the top end of the pouch.
  • the tear notch feature is often added to the pouch as part of the package filling operation, it is often poorly made, poorly registered to the seal geometrically and fabricated with inconsistent quality.
  • starter tear tab is produced with a hot knife or blade, the resulting slot or notch has a tendency to re-seal itself.
  • the utility of the starter cut as a tear-open mechanism is limited by the width of the peripheral seal which determines the depth of the cut. In any case, the starter tear cut often does not substantially improve the tear-open capability of such packages. Especially when the fingers are wet,oily, or when the user is older or has reduced motor control.
  • Tear strips or tear strings have also been employed in flexible packaging to avoid the necessity of an opening tool.
  • the use of tear strips or tear strings often increases the quantity of waste material. It also complicates the packaging operation itself, thereby increasing the product manufacturing cost that is ultimately passed on to the consumer.
  • Finger or hand grasping means have previously been employed in attempts to facilitate the opening of flexible packaging.
  • the grasping means previously employed have generally been integral extensions of the packaging material itself, or exposed extensions of tear strips or tear strings.
  • Such grasping means while improving the ability to apply tearing forces to the package, have not provided any substantial force magnification or stress concentration which would ease the opening of the package. Success is often based on the force of grip strength between the index finger and thumb.
  • the invention includes a pouch that can be pre-made or fabricated in a package manufacturing facility. During the fabrication process, the packaging film is printed, sealed and die-cut into the preferred pouch sizes. The pouches are made with a pull-ring opening feature located in the top corner of the pouch, which incorporates a tear notch.
  • the invention also incorporates, but is not limited to the use of a highly oriented packaging film, of either a monolayer, laminated or co-extruded construction.
  • the pull ring, tear notch and oriented film all contribute to an opening feature that is intuitive to use and requires less grip-strength for an individual with diminished motor control, such as senior citizens or young children.
  • the tear notch may be in proximity to a tear line that is fabricated by various laser scoring techniques to create a predictable opening pattern.
  • the invention includes a pouch having a distal edge and a proximal edge.
  • a tear notch is located adjacent to the proximal edge.
  • a first pull ring is defined within an edge panel of the proximal end. The first pull ring enables a user to open the pouch by moving the first pull ring to propagate a tear in the pouch from the tear notch toward the distal edge.
  • the invention includes a method of preparing a food product for subsequent sale.
  • the method includes the steps of providing a pouch defining an interior and an exterior.
  • the pouch includes a distal edge and a proximal edge, a tear notch adjacent to the proximal edge and, a first pull ring defined within an edge panel of the proximal end.
  • the first pull ring enables a user to open the pouch by moving the first pull ring to propagate a tear in the pouch from the tear notch toward the distal edge.
  • the method also includes the steps of dispensing the food product in the interior of the pouch and sealing the food product in the interior of the pouch.
  • Fig. 1 shows a front view of a film pouch incorporating the opening feature of the present invention.
  • Fig. 2 shows a front view of the film pouch in a partially opened position.
  • Fig. 3 shows a front view of an alternative embodiment of a film pouch incorporating the opening feature of the present invention.
  • Fig. 4 shows a front view of another alternative embodiment of a film pouch incorporating the opening feature of the present invention
  • Fig. 5 shows a front view of a narrow spout film pouch incoiporating the opening feature of the present invention.
  • Fig. 6 shows an alternative embodiment of a front view of a narrow spout film pouch incorporating the opening feature of the present invention.
  • Fig. 7 shows a front view of a wide spout film pouch incorporating the opening feature of the present invention.
  • Fig. 8 shows a front view of a film pouch incorporating a dual pull ring opening feature of the present invention.
  • Fig. 9 shows a front view of a film pouch incorporating a dual pull ring opening feature of the present invention with a narrow neck spout.
  • Fig. 10 shows an isometric view of a carton or square bottom pouch incorporating the opening feature of the present invention.
  • Fig. 1 1 shows an isometric view of a carton incorporating the opening feature of the present invention in an opened position.
  • Fig. 12 shows an isometric view of a tray incorporating the dual pull ring opening feature of the present invention.
  • FIG. 1 A pouch 10 in accordance with the invention is shown in FIG. 1. Pouch 10 relatively flat in profile, and is generally defined by a top end 12, a bottom end 14, a proximal edge 18, and a distal edge 20. A seal line 28 separates the interior of pouch 10 from the exterior of pouch 10 to form edge panel 30 and edge panel 32, and top edge panel 34, respectively.
  • pouch 10 is fabricated from an integrally thermoformed plastic material, such as polyolef ⁇ ns (e.g., polypropylene, polyethylene), blends of polyolefins, polystyrene - HIPS, or polyester resin-based materials - CPET, foamed polypropylene, polyethylene), blends of polyolefin ' s polystyrene - HIPS, or polyester resin-based materials - CPET, paper and paper laminations with polypropylene, polyester, etc.
  • pouch 10 may be fabricated using known injection molding, compression molding, and/or thermoforming techniques.
  • Tear notch 16 is disposed on pouch 10, between top end 12 and bottom end 14 along proximal edge 18.
  • tear propagation line 22 extends from tear notch 16 near proximal edge 18 to distal edge 20.
  • Tear propagation line 22 can be formed by a mechanical score, thermal score, or laser score, although a wide variety of scoring techniques can be used while remaining within the scope of the invention. Starter tab
  • Starter tab 24 is located between top end 12 and tear notch 16. Starter tab 24 provides a natural break in proximal edge 18, and enables a user to open pouch 10 by pulling starter tab 24 in a opposite direction from proximal edge 18 at tear notch 16.
  • Pull ring 26 is disposed in pouch 10 between tear propagation line 22 and top end 12. Pull ring 26 allows a user to obtain additional leverage to open pouch 10 when it is wet, or otherwise difficult to grasp. To open pouch 10, the user puts a finger through pull ring 26 and pulls the pull ring away from the origin of tear notch, or toward distal edge 20.
  • top end 12 separates from bottom end 14 at tear notch 16.
  • Pouch 10 is torn along tear propagation line 22 as the user continues to separate top end 12 from bottom end 14. Once the tear passes seal line 40, the contents can be removed from pouch 10 through opening 42.
  • pouch 10 is shown in FIG. 3.
  • pull ring 26 is formed when the user displaces flap 27 by putting a finger through pull ring 26. In this embodiment, less scrap is created during the manufacturing process because flap 27 remains with the package throughout its life cycle.
  • pouch 10 is generally defined by a top end 12, a bottom end 14, a proximal edge 18, and a distal edge 20.
  • a seal line 28 separates the interior of pouch 10 from the exterior of pouch 10 to form edge panel 30 and edge panel 32, and top edge panel 34, respectively.
  • Tear notch 16 is disposed on pouch 10, between top end 12 and bottom end 14 along proximal edge 18.
  • tear propagation line 22 extends from tear notch 16 near proximal edge 18 to distal edge 20.
  • Tear propagation line 22 can be formed by a mechanical score, or thermal score, or laser score, although a wide variety of scoring techniques can be used while remaining within the scope of the invention.
  • pouch 10 may be fabricated from highly oriented packaging film, of either a monolayer, laminated or co-extruded construction. Accordingly, when a user pulls on starter tab 24 or pull ring 26, the package will tear in a controlled manner from tear notch 16. If the film is oriented in a manner that is parallel to top end 12, the tear will fo ⁇ n along a tear propagation line that originates at tear notch 16 and is parallel to top end 12. It is important to recognize that when oriented film is used, the pouch 10 can be opened in a controlled manner with or without the use of scoring techniques.
  • starter tab 24 is located between top end 12 and tear notch 16. Starter tab 24 provides a natural break in proximal edge 18, and enables a user to open pouch 10 by pulling starter tab 24 in a opposite direction from proximal edge 18 at tear notch 16 as discussed above.
  • Pull ring 26 is disposed in pouch 10 between tear propagation line 22 and top end 12. Pull ring 26 is formed when the user displaces flap 27 with a finger and allows a user to obtain additional leverage to open pouch 10 when it is wet, or otherwise difficult to grasp. To open pouch 10, the user puts a finger through pull ring 26 and pulls the pull ring away from the origin of tear notch, or toward distal edge 20.
  • pull ring is formed of a generally "C" shaped cut in top edge panel 34.
  • Pull ring 26 is formed when the user displaces flap 27 by putting a finger through pull ring 26. Again, less waste and no scrap is created during the manufacturing process because flap 27 remains with the package throughout its life cycle.
  • pouch 10 is generally defined by a top end 12, a bottom end 14, a proximal edge 18, and a distal edge 20.
  • a seal line 28 separates the interior of pouch 10 from the exterior of pouch 10 to form edge panel 30 and edge panel 32, and top edge panel 34, respectively.
  • Tear notch 16 is disposed on pouch 10, at the termination of side cut 46 between top end 12 and bottom end 14 along proximal edge 18.
  • tear propagation line 22 extends from tear notch 16 near proximal edge 18 to distal edge 20. Tear propagation line 22 can be formed by a mechanical score, or the ⁇ nal score, or laser score, although a wide variety of scoring techniques can be used while remaining within the scope of the invention.
  • pouch 10 may be fabricated from highly oriented packaging film, of either a monolayer, laminated or co-extruded construction as discussed above. Accordingly, when a user pulls on starter tab 24 or pull ring 26, the package will tear in a controlled manner from tear notch 16. If the film is oriented in a manner that is parallel to top end 12, the tear will form along a tear propagation line that originates at tear notch 16 and is parallel to top end 12. It is important to recognize that when oriented film is used, the pouch 10 can be opened in a controlled manner with or without the use of scoring techniques. With continued reference to FIG. 4, starter tab 24 is located between top end 12 and tear notch 16.
  • Starter tab 24 provides a natural break in proximal edge 18, and enables a user to open pouch 10 by pulling starter tab 24 in a opposite direction from proximal edge 18 at tear notch 16 as discussed above.
  • Pull ring 26 is disposed in pouch 10 between tear propagation line 22 and top end 12.
  • the combination of edge panels 30, 32, and 34 combine to create spout 36.
  • Spout 36 is a somewhat narrow opening in which a food product can be removed from pouch 10. Narrow openings are desirable for a variety of food products including viscous, semi viscous, and thixotrophic products, i.e. frosting and various condiments like ketchup and mustard.
  • tear propagation line 22 extends from tear notch 16 near proximal edge 18 to distal edge 20.
  • Starter tab 24 is located between top end 12 and tear notch 16.
  • Starter tab 24 provides a natural break in proximal edge 18, and enables a user to open pouch 10 by pulling starter tab 24 in a opposite direction from proximal edge 18 at tear notch 16 as discussed above.
  • Pull ring 26 is disposed in pouch 10 between tear propagation line 22 and top end 12. Pull ring 26 is formed when the user displaces flap 27 with a finger and allows a user to obtain additional leverage to open pouch 10 when it is wet, or otherwise difficult to grasp.
  • the user puts a finger through pull ring 26 and pulls the pull ring away from the origin of tear notch, or toward distal edge 20.
  • FIG 6 shows yet another alternative embodiment of pouch 10 with a narrow spout 36.
  • the combination of edge panels 30, 32, and 34 combine to create spout 36.
  • This configuration can be used to form a narrow opening on the distal edge of pouch 10.
  • the pouch embodiment shown in FIG. 6 may be more desirable than the pouch embodiment shown in FIG. 5 because the embodiment of FIG. 6 generates less waste and scrap during the manufacturing process.
  • pouch 10 with a wide spout 36 With reference to FIG 7, an alternative embodiment of pouch 10 with a wide spout 36 will now be discussed.
  • the combination of edge panels 30, 32, and 34 combine to create spout 36 that can be used to form a wide opening on the distal edge of pouch 10.
  • the pouch 10 with wide spout 36 of FIG. 7 may be desirable for some food products like vegetable soups.
  • Pouch 10 is generally defined by a top end 12, a bottom end 14, a proximal edge 18, and a distal edge 20.
  • a seal line 28 separates the interior of pouch 10 from the exterior of pouch 10 to fo ⁇ n edge panel 30 and edge panel 32, and top edge panel 34, respectively.
  • Pull ring 26 is disposed in pouch 10 between tear propagation line 22 and top end 12.
  • pull ring 25 is disposed in pouch 10 on the opposite side of tear notch 16 from pull ring 26. Pull rings 25 and 26 allow a user to obtain additional leverage to open pouch 10 when it is wet, or otherwise difficult to grasp.
  • the user puts a first finger through pull ring 25 and a second finger through pull ring 26. Next, the user pulls ring 25 away from ring 26. This process opens pouch 10 by tearing it at tear propagation line 22 in a direction from tear notch 16 to distal edge 20.
  • FIG. 9 shows an alternative embodiment of pouch 10.
  • This embodiment incorporates a upper pull ring 26 and a lower pull ring 25.
  • Pouch 10 is generally defined by a top end 12, a bottom end 14, a proximal edge 18, and a distal edge 20.
  • a seal line 28 separates the interior of pouch 10 from the exterior of pouch 10 to form edge panel 30 and edge panel 32, and top edge panel 34, respectively.
  • a narrow spout 36 is formed by the configuration of edge panels 30, 32, and 34.
  • Pull ring 26 is disposed in pouch 10 between tear propagation line 22 and top end 12.
  • pull ring 25 is disposed in pouch 10 on the opposite side of tear notch 16 from pull ring 26.
  • Pull rings 25 and 26 allow a user to obtain additional leverage to open pouch 10 when it is wet, or otherwise difficult to grasp.
  • the user puts a first finger through pull ring 25 and a second finger through pull ring 26.
  • the user pulls ring 25 away from ring 26. This process opens pouch 10 by tearing it in a direction from tear notch 16 to distal edge 20.
  • FIG. 10 shows pouch 10 in a general carton configuration.
  • pouch 10 is generally defined by a top end 12, a bottom end 14.
  • ⁇ seal line 28 separates the interior of pouch 10 from the exterior of pouch 10 to form edge panel 30 and edge panel 32, and top edge panel 34, respectively.
  • pouch 10 can be fabricated from an integrally thermoformed plastic material, such as polyolefms (e.g., polypropylene, polyethylene), blends of polyolefms, polystyrene - HIPS, or polyester resin- based materials - CPET, foamed polypropylene, polyethylene), blends of polyolefm ' s polystyrene - HIPS, or polyester resin-based materials - CPET, paper and paper laminations with polypropylene, polyester, and nylon etc.
  • polyolefms e.g., polypropylene, polyethylene
  • blends of polyolefm ' s polystyrene - HIPS or polyester resin-based materials - CPET, paper and paper laminations with polypropylene, polyester, and nylon etc
  • Tear notch 16 is disposed on pouch 10, between top end 12 and bottom end 14. To facilitate the opening of the pouch 10, tear propagation line 22 extends from tear notch 16 to distal edge 20. Tear propagation line 22 can be fo ⁇ ned by a mechanical score, or thermal score, or laser score, although a wide variety of scoring techniques can be used while remaining within the scope of the invention.
  • Starter tab 24 is located between top end 12 and tear notch 16. Starter tab 24 enables a user to open pouch 10 by pulling starter tab 24 from tear notch 16 in a direction toward distal edge 20.
  • Pull ring 26 is disposed in pouch 10 between tear propagation line 22 and top end 12. Pull ring 26 allows a user to obtain additional leverage to open pouch 10 when it is wet, or otherwise difficult to grasp. To open pouch 10, the user puts a finger through pull ring 26 and pulls the pull ring away from the origin of tear notch, or toward distal edge 20.
  • FIG. 1 1 shows the pouch of FlG. 10 in an opened position.
  • top end 12 completely separates from bottom end 14 at tear notch 16.
  • Pouch 10 is torn along tear propagation line 22 as the user continues to separate top end 12 from bottom end 14. Once the tear passes edge panel 32, the contents can be removed from pouch 10 through opening 42.
  • FIG. 12 shows pouch 10 in a general tray configuration. In this embodiment, pouch 10 is generally defined by a top end 12, a bottom end 14.
  • Pull ring 26 is disposed in pouch 10 adjacent and allows a user to obtain additional leverage to open pouch 10 when it is wet, or otherwise difficult to grasp. To open pouch 10, the user puts a finger through pull ring 26 and pulls the pull ring away from the origin of tear notch, or toward distal edge 20.

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

Abstract

Poche présentant un bord distal et un bord proximal. Une encoche de déchirure est située près du bord proximal. Un premier anneau d'ouverture est défini dans un panneau de bord de l'extrémité proximale. Le premier anneau d'ouverture permet à un utilisateur d'ouvrir la poche en déplaçant le premier anneau d'ouverture pour propager une déchirure dans la poche depuis l'encoche de déchirure vers le bord distal.
PCT/US2007/078266 2006-09-12 2007-09-12 Caractéristique d'ouverture de poche WO2008033919A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82530306P 2006-09-12 2006-09-12
US60/825,303 2006-09-12

Publications (2)

Publication Number Publication Date
WO2008033919A2 true WO2008033919A2 (fr) 2008-03-20
WO2008033919A3 WO2008033919A3 (fr) 2008-12-11

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PCT/US2007/078266 WO2008033919A2 (fr) 2006-09-12 2007-09-12 Caractéristique d'ouverture de poche

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US (1) US20080063324A1 (fr)
WO (1) WO2008033919A2 (fr)

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US6309104B1 (en) * 1996-09-06 2001-10-30 Lohmann Gmbh & Co. Kg Bag-type package to be torn for easy access to the product
US20040131286A1 (en) * 2001-03-20 2004-07-08 Ake Rosen Collapsible container
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Cited By (7)

* Cited by examiner, † Cited by third party
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WO2011113539A3 (fr) * 2010-03-19 2011-12-15 Amcor Flexibles Kreuzlingen Ltd. Récipient d'emballage de produits alimentaires et agencement de plusieurs récipients d'emballage de produits alimentaires
EP2830964B1 (fr) * 2012-03-29 2016-11-02 Kraft Foods R & D, Inc. Emballage
AU2013238065B2 (en) * 2012-03-29 2017-02-23 Intercontinental Great Brands Llc Packaging
US9643755B2 (en) 2012-03-29 2017-05-09 Kraft Foods R&D, Inc. Packaging
WO2016098871A1 (fr) * 2014-12-18 2016-06-23 L'oreal Conditionnement destiné à contenir au moins deux types de composants
KR20190126466A (ko) * 2014-12-18 2019-11-11 로레알 2종 이상의 성분을 수용하기 위한 패키징
KR102323682B1 (ko) * 2014-12-18 2021-11-08 로레알 2종 이상의 성분을 수용하기 위한 패키징

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US20080063324A1 (en) 2008-03-13

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