US20040190800A1 - Packaging of the stickpack type with improved opening and method for manufacturing the same - Google Patents

Packaging of the stickpack type with improved opening and method for manufacturing the same Download PDF

Info

Publication number
US20040190800A1
US20040190800A1 US10/801,664 US80166404A US2004190800A1 US 20040190800 A1 US20040190800 A1 US 20040190800A1 US 80166404 A US80166404 A US 80166404A US 2004190800 A1 US2004190800 A1 US 2004190800A1
Authority
US
United States
Prior art keywords
packaging
sealing
longitudinal
film
transverse
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.)
Abandoned
Application number
US10/801,664
Other languages
English (en)
Inventor
Elena Peron
Carlo Zaggia
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.)
Amcor Flexibles Italia SRL
Original Assignee
Alcan Packaging Italia SRL
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
Priority claimed from ITPD20030066 external-priority patent/ITPD20030066A1/it
Priority claimed from ITPD20030160 external-priority patent/ITPD20030160A1/it
Application filed by Alcan Packaging Italia SRL filed Critical Alcan Packaging Italia SRL
Assigned to ALCAN PACKAGING ITALIA S.R.L. reassignment ALCAN PACKAGING ITALIA S.R.L. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PERON, ELENA, ZAGGIA, CARLO ALBERTO
Publication of US20040190800A1 publication Critical patent/US20040190800A1/en
Priority to US11/730,219 priority Critical patent/US20070173395A1/en
Abandoned legal-status Critical Current

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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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/18—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements
    • 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
    • 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
    • B65B9/06—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it

Definitions

  • the present invention relates to a packaging of the Stickpack type and the like with improved opening and to the method for manufacturing it.
  • This Stickpack packaging is preferably used to package products such as coffee, sugar, drugs or other products in a single-dose quantity.
  • a single- or multi-layer laminated flexible film is folded around the forming collar, which also acts as a filler tube.
  • both surfaces of the initial film must have sealing properties.
  • This operation is sometimes facilitated by preweakenings that are provided on the edge of the packaging (on an extension of the sealed region).
  • solutions are known that provide for the insertion of a transverse strip proximate to the top so as to guide the opening action.
  • the aim of the present invention is to provide a packaging of the Stickpack type and the like with improved opening that solves the opening problems and drawbacks of known types of packaging of the Stickpack type.
  • an object of the present invention is to provide a packaging of the Stickpack type and the like with improved opening that is sealed perfectly and does not have tearing or delaminations in the layers of the film that composes the packaging.
  • Another object of the present invention is to provide a method for providing a packaging of the Stickpack type and the like with improved opening that is economically advantageous with respect to methods currently in use for providing equivalent commercially available packagings.
  • Another object of the present invention is to provide a method for manufacturing packagings of the Stickpack type and the like that uses machines that are simple to manufacture and derive from known systems and technologies.
  • a packaging of the Stickpack type and the like with improved opening comprising a single- or multilayer flexible film that forms a hermetically sealed tubular body that is provided longitudinally with a first band of inside/outside sealing of mutually opposite longitudinal flaps of said film and is provided transversely with second sealing bands of the inside/inside type, a sealed extension region protruding from at least one of said second sealing bands on a respective portion of at least one edge of said tubular body, said packaging being characterized in that it comprises, in longitudinal alignment with said sealed extension region, transverse preweakening incisions that are provided along at least one of said mutually opposite longitudinal flaps.
  • an improved packaging of the Stickpack type and the like with improved opening which comprises a flexible single- or multilayer film that forms a tubular body that is hermetically sealed longitudinally by means of a first band where mutually opposite complementary flaps of said film are sealed and is sealed transversely with second sealing bands, a sealed extension region protruding from at least one of said second sealing bands along the corresponding longitudinal edge of said tubular body, transverse preweakening incisions being provided longitudinally at said sealed region along at least one of said mutually opposite longitudinal flaps, said improved packaging being characterized in that said first sealing band is of the inside/inside type.
  • FIG. 1 is a front view of the packaging according to the invention during a step of its manufacture
  • FIG. 2 is a front view of a portion of the top of the packaging according to the invention.
  • FIG. 3 is a sectional view, taken along the line III-III of FIG. 2, of the packaging according to the invention.
  • FIG. 4 is an enlarged-scale front view of a detail of the packaging according to the invention.
  • FIG. 5 is a front view of the packaging according to the invention.
  • FIG. 6 is a front view of the packaging according to the invention during its opening
  • FIG. 7 is a front view of a flexible film that is partially sealed longitudinally according to a second embodiment of the invention.
  • FIG. 8 is a front view of a flexible film as shown in FIG. 7, which is sealed also transversely so as to form a partial packaging;
  • FIG. 9 is a transverse sectional view, taken along the line IX-IX of FIG. 7, of an improved packaging according to the invention.
  • FIG. 10 is a transverse sectional view, taken along the line X-X of FIG. 8, of an improved packaging according to the invention.
  • FIG. 11 is a front view of a packaging according to the invention, provided by means of film as in FIGS. 7 to 10 .
  • a first embodiment of a packaging of the Stickpack type with improved opening according to the invention is generally designated by the reference numeral 10 .
  • the packaging 10 comprises a flexible single- or multilayer film 10 a that forms a hermetically sealed tubular body 11 .
  • Such tubular body 11 is longitudinally provided with a first band 12 for the inside/outside sealing of mutually opposite longitudinal flaps 13 of said film.
  • the tubular body 11 has respective second sealing bands 16 of the inside/inside type arranged transversely on its longitudinal ends that form the bottom 14 and the top 15 of the packaging 10 .
  • a sealed extension region 19 protrudes only from the second sealing band 16 related to the top 15 of the packaging 10 on a respective portion 17 of the longitudinal edge 18 of the tubular body 11 .
  • a weakening pre-cut 20 is provided on the sealed extension region 19 .
  • the packaging 10 further comprises, in longitudinal alignment with the sealed extension region 19 , transverse weakening incisions 21 that are arranged in series to each other, and are formed longitudinally along both longitudinal flaps 13 in this embodiment (see also FIG. 4).
  • the embodiment of the packaging 10 comprises sealed regions of the type 19 also on the bottom of said packaging, it is possible to provide said transverse preweakening incisions also in longitudinal alignment with this last sealed region.
  • transverse incisions 21 on a single longitudinal flap of the film, preferably the first flap encountered by the tear that propagates from the pre-cut 20 while opening the packaging.
  • Such longitudinal plurality of transverse incisions 21 preferably covers a length that is substantially equal to the longitudinal length of the sealed extension region 19 .
  • the transverse incisions 21 are smaller than the width of the first sealing band 12 , so as to avoid intersecting and impairing the seal of the packaging 10 .
  • a method for manufacturing packagings of the Stickpack type such as the one described above comprises a step for unwinding the film from a reel and a subsequent step for folding the unwound film on a collar that forms the packaging.
  • said forming collar allows, by way of a filler tube 50 , to fill a partial packaging 51 , obtained by means of the folded film, with the product (for example of the granular or powdered type) to be packaged.
  • a second embodiment of the packaging of the Stickpack type with improved opening according to the invention is generally designated by the reference numeral 100 .
  • Such packaging 100 comprises a flexible single- or multilayer film 111 .
  • the film 111 forms, when folded around a packaging-forming collar, a tubular body 113 .
  • Such tubular body 113 is sealed hermetically longitudinally by means of a first sealing band 114 .
  • the first sealing band 114 affects the mutually opposite complementary flaps, designated respectively by the reference numerals 115 a and 115 b , of the film 111 .
  • tubular body 113 is sealed by means of second sealing bands, designated by the reference numerals 116 a for the bottom of the packaging 100 and 116 b for the top of the packaging 100 .
  • a sealed extension region 118 protrudes from one of the second sealing bands 116 along the corresponding longitudinal edge 117 of the tubular body 113 .
  • a weakening pre-cut 119 is generally provided on the sealed extension region 118 .
  • transverse preweakening incisions 130 that are longitudinally in series to each other and are formed along both of the mutually opposite complementary longitudinal flaps 115 a and 115 b.
  • the second sealing bands 116 a and 116 b are of the inside/inside type.
  • the improved packaging 100 is characterized in that said first sealing band 114 is also of the inside/inside type.
  • the first sealing band 114 after the sealing operation, is folded and made to adhere longitudinally to the outer surface 120 of the tubular body 113 by interposing an adhesive layer 121 .
  • the adhesive layer 121 is constituted by a thermolacquer.
  • such adhesive layer 121 is constituted by a sealing film.
  • the adhesive layer 121 is distributed along the entire length of the packaging 100 , proximate to the first sealing band 114 , which in this step assumes a so-called “fin” configuration and is designated by the reference numeral 114 a.
  • the adhesive layer 121 is therefore arranged substantially at the base of the “fin” 114 a.
  • the adhesive layer 121 is distributed only at the second transverse sealing bands 116 a and 116 b.
  • the incisions 130 in fact allow the tear line, which starts from the weakening pre-cut 119 provided on the edge of the packaging, to continue through said first longitudinal sealing band 114 provided by the two mutually sealed flaps 115 a and 115 b.
  • a method for manufacturing improved packagings 100 of the Stickpack type and the like, such as the one described above, comprises a first step in which the single- or multilayer film 111 is unwound.
  • the film 111 is then folded around the forming collar in order to provide a partial packaging, designated by the reference numeral 100 a.
  • the collar also allows, by means of an inlet tube 150 , to fill the packaging 100 .
  • Transverse incisions 130 are provided on the film 111 prior to the folding step on at least one of the mutually opposite longitudinal flaps 115 a and 115 b of the film 111 .
  • the subsequent steps consist first of all in longitudinally sealing the partial packaging 100 a by means of the first sealing band 114 of the mutually opposite flaps 115 a and 115 b , said seal being of the inside/inside type.
  • the longitudinal adhesive layer 121 is then applied on the outer surface 120 of the partial packaging 100 a at and proximate to the first heat-sealing band 114 in the vicinity of the base of the “fin” 114 a.
  • the first sealing band 114 is folded, with respect to a longitudinal axis, from the original fin-like configuration 114 a onto the outer surface 120 of the partial packaging 100 a on the side of the adhesive layer 121 .
  • the first sealing band 114 is glued to the outer surface 120 by activating the adhesive layer 121 .
  • the adhesive layer 121 is constituted by thermolacquer, activation of the same layer 121 is achieved by heating said thermolacquer.
  • the partial packaging 100 a is sealed transversely by means of the second sealing bands 116 a and 116 b.
  • the weakening pre-cut 119 is provided on at least one sealed extension region 118 of at least one of the second sealing bands 116 a and 116 b.
  • said operation for gluing the first sealing band 114 to the outer surface 120 follows said transverse sealing of the partial packaging 100 a.
  • the operation for applying the longitudinal adhesive layer 121 can be chosen continuous or intermittent.
  • This operation performed continuously allows to glue the “fin” 114 a to the surface 120 along the entire packaging 100 ; intermittent gluing instead allows to glue the “fin” 114 a only in the regions that are subsequently affected by the transverse seal.
  • the longitudinal adhesive layer 121 is conveniently arranged not outside, i.e. within the band or strip of surface affected by the first folded sealing band 114 .
  • the invention thus described solves the problems noted in known types of Stickpack-type packaging; in particular, the present invention provides a packaging of the Stickpack type and the like with improved opening that allows transverse opening of the packaging without the risk of scattering the product contained inside.
  • the present invention provides a packaging of the Stickpack type and the like with improved opening that is sealed perfectly and does not have lacerations or delaminations in the layers of the film that composes the packaging.
  • the transverse incisions are in fact much smaller than the width of the first sealing band, so as not to cross and impair the seal of the packaging.
  • the present invention provides a method for manufacturing a packaging of the Stickpack type such as the one described that is economically advantageous with respect to the methods currently in use for manufacturing equivalent commercially available packagings.
  • the present invention provides a method for manufacturing packagings of the Stickpack type and the like that uses machines that are simple to manufacture and derive from known systems and technologies.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
US10/801,664 2003-03-28 2004-03-17 Packaging of the stickpack type with improved opening and method for manufacturing the same Abandoned US20040190800A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US11/730,219 US20070173395A1 (en) 2003-03-28 2007-03-30 Packaging of the stickpack type with improved opening and method for manufacturing the same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ITPD2003A000066 2003-03-28
ITPD20030066 ITPD20030066A1 (it) 2003-03-28 2003-03-28 Confezione del tipo "stickpack" e simili ad apertura migliorata
ITPD2003A000160 2003-07-15
ITPD20030160 ITPD20030160A1 (it) 2003-07-15 2003-07-15 Confezione perfezionata del tipo "stickpack" e simili

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/730,219 Division US20070173395A1 (en) 2003-03-28 2007-03-30 Packaging of the stickpack type with improved opening and method for manufacturing the same

Publications (1)

Publication Number Publication Date
US20040190800A1 true US20040190800A1 (en) 2004-09-30

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Family Applications (2)

Application Number Title Priority Date Filing Date
US10/801,664 Abandoned US20040190800A1 (en) 2003-03-28 2004-03-17 Packaging of the stickpack type with improved opening and method for manufacturing the same
US11/730,219 Abandoned US20070173395A1 (en) 2003-03-28 2007-03-30 Packaging of the stickpack type with improved opening and method for manufacturing the same

Family Applications After (1)

Application Number Title Priority Date Filing Date
US11/730,219 Abandoned US20070173395A1 (en) 2003-03-28 2007-03-30 Packaging of the stickpack type with improved opening and method for manufacturing the same

Country Status (2)

Country Link
US (2) US20040190800A1 (de)
EP (1) EP1464587A1 (de)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040109618A1 (en) * 1999-01-21 2004-06-10 Marbler Claude A. Packing made from a film-like laminate and process for production of this packing
US20060072861A1 (en) * 2002-09-25 2006-04-06 Hosokawa Yoko Col, Ltd. Packaging bag
US20080267541A1 (en) * 2004-05-05 2008-10-30 Amcor Fleximbles Europe A/S Vffs/hffs Packaging with Opening Aid on the Longitudinal Seam
US20100021672A1 (en) * 2008-07-28 2010-01-28 Sonoco Development, Inc. Pouch opening feature and method for making the same
US20100166924A1 (en) * 2008-12-31 2010-07-01 Kraft Foods Global Brands Llc Flexible package having multiple opening feature
US20110011864A1 (en) * 2008-02-22 2011-01-20 Torkild Hofman Easy to open package
US20110150371A1 (en) * 2008-07-28 2011-06-23 Sonoco Development, Inc. Flexible Pouch With Easy-Opening Features
US20120000969A1 (en) * 2009-04-01 2012-01-05 Rehkugler Richard A Polymeric Packages
US20120000968A1 (en) * 2010-07-01 2012-01-05 Kraft Foods Global Brands Llc Method and apparatus for a package with an easy open feature
JP2012136259A (ja) * 2010-12-27 2012-07-19 Fuji Tokushu Shigyo Kk 易開封手段を施したピロー包装袋における開口手段
US20120258214A1 (en) * 2011-04-11 2012-10-11 Frito-Lay North America, Inc. Easy open package for snack bars
WO2012165180A1 (ja) * 2011-05-27 2012-12-06 大塚製薬株式会社 包装袋及び包装袋の製造方法
JP2014069880A (ja) * 2012-09-28 2014-04-21 Fuji Tokushu Shigyo Kk ジッパー付ピロー包装袋
US8814430B2 (en) 2010-02-23 2014-08-26 Kraft Foods R&D, Inc. Food package having opening feature
CN111819137A (zh) * 2018-03-01 2020-10-23 诺信公司 定位焊接翅片密封件

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EP2246263B1 (de) 2009-04-30 2016-12-14 Aranow Packaging Machinery, S.L. Maschine und Verfahren zur Herstellung von Behältern
EP2336057A1 (de) 2009-12-21 2011-06-22 Nestec S.A. Vorrichtung und Verfahren zur Manövrierung von Produkten
DE102010000381A1 (de) * 2010-02-11 2011-08-11 Krones Ag, 93073 Vorrichtung und Verfahren zum Erstellen von Gebinden aus Getränkebehältern
EP2481685B1 (de) * 2011-02-01 2013-07-24 Fuji Tokushu Shigyo Co. Ltd Öffnungsmittel in einem Verpackungsbeutel zum vereinfachten Öffnen
CN102689730B (zh) * 2011-03-23 2016-01-13 富士特殊纸业株式会社 带易开封装置的枕头包装袋中的打开装置
FR3061155B1 (fr) * 2016-12-28 2019-05-31 Andros Emballage pour le conditionnement d'un produit, notamment alimentaire
MA52481B1 (fr) * 2018-05-04 2022-04-29 Hoffmann La Roche Conditionnement de type paquet de bâtons pour bande de test

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US3415286A (en) * 1964-08-25 1968-12-10 Arnold Cellophane Corp Tube-like structure and package made therefrom
US4139643A (en) * 1977-12-06 1979-02-13 The Procter & Gamble Company Snack food package
US4598826A (en) * 1984-11-09 1986-07-08 Minnesota Mining And Manufacturing Company Heat-sealable, laminated package
US5078509A (en) * 1990-09-28 1992-01-07 Recot, Inc. Resealable package
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US6102571A (en) * 1998-09-30 2000-08-15 Hosokawa Yoko Co., Ltd. Packaging bag
US6352364B1 (en) * 1999-04-26 2002-03-05 Hassia Verpackungsmaschinen Gmbh Tubular bag-type packing
US6726363B1 (en) * 1999-01-21 2004-04-27 Alcan Technology & Management Ltd. Packaging comprised of a foil-shaped composite material and method for producing said packaging
US6789945B2 (en) * 2002-08-02 2004-09-14 Hassia Verpackungsmaschinen Gmbh Sealed three-sided pouch with two chambers

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US3057539A (en) * 1957-08-23 1962-10-09 Jr Daniel C Leary Tear strip pouch type containers
US3415286A (en) * 1964-08-25 1968-12-10 Arnold Cellophane Corp Tube-like structure and package made therefrom
US4139643A (en) * 1977-12-06 1979-02-13 The Procter & Gamble Company Snack food package
US4598826A (en) * 1984-11-09 1986-07-08 Minnesota Mining And Manufacturing Company Heat-sealable, laminated package
US5078509A (en) * 1990-09-28 1992-01-07 Recot, Inc. Resealable package
US5620095A (en) * 1993-06-11 1997-04-15 Minnesota Mining And Manufacturing Company Orthopedic casting material and hermetic package
US6102571A (en) * 1998-09-30 2000-08-15 Hosokawa Yoko Co., Ltd. Packaging bag
US6726363B1 (en) * 1999-01-21 2004-04-27 Alcan Technology & Management Ltd. Packaging comprised of a foil-shaped composite material and method for producing said packaging
US6352364B1 (en) * 1999-04-26 2002-03-05 Hassia Verpackungsmaschinen Gmbh Tubular bag-type packing
US6789945B2 (en) * 2002-08-02 2004-09-14 Hassia Verpackungsmaschinen Gmbh Sealed three-sided pouch with two chambers

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060199717A1 (en) * 1999-01-21 2006-09-07 Marbler Claude A Packing made from a film-like laminate and process for production of this packing
US7111986B2 (en) * 1999-01-21 2006-09-26 Alcan Technology & Management Packing made from a film-like laminate and process for production of this packing
US20040109618A1 (en) * 1999-01-21 2004-06-10 Marbler Claude A. Packing made from a film-like laminate and process for production of this packing
US20060072861A1 (en) * 2002-09-25 2006-04-06 Hosokawa Yoko Col, Ltd. Packaging bag
US7481581B2 (en) * 2002-09-25 2009-01-27 Hosokawa Yoko Co., Ltd. Packaging bag
US20080267541A1 (en) * 2004-05-05 2008-10-30 Amcor Fleximbles Europe A/S Vffs/hffs Packaging with Opening Aid on the Longitudinal Seam
US20110094193A1 (en) * 2004-05-05 2011-04-28 Amcor Flexibles Europe A/S VFFS/HFFS Packaging with Opening Aid on the Longitudinal Seam
US20110011864A1 (en) * 2008-02-22 2011-01-20 Torkild Hofman Easy to open package
US20110150371A1 (en) * 2008-07-28 2011-06-23 Sonoco Development, Inc. Flexible Pouch With Easy-Opening Features
US20100021672A1 (en) * 2008-07-28 2010-01-28 Sonoco Development, Inc. Pouch opening feature and method for making the same
US8230664B2 (en) 2008-07-28 2012-07-31 Sonoco Development, Inc. Pouch opening feature and method for making the same
US20100166924A1 (en) * 2008-12-31 2010-07-01 Kraft Foods Global Brands Llc Flexible package having multiple opening feature
US20120000969A1 (en) * 2009-04-01 2012-01-05 Rehkugler Richard A Polymeric Packages
US8814430B2 (en) 2010-02-23 2014-08-26 Kraft Foods R&D, Inc. Food package having opening feature
US20120000968A1 (en) * 2010-07-01 2012-01-05 Kraft Foods Global Brands Llc Method and apparatus for a package with an easy open feature
JP2012136259A (ja) * 2010-12-27 2012-07-19 Fuji Tokushu Shigyo Kk 易開封手段を施したピロー包装袋における開口手段
US20120258214A1 (en) * 2011-04-11 2012-10-11 Frito-Lay North America, Inc. Easy open package for snack bars
US9238538B2 (en) * 2011-04-11 2016-01-19 Frito-Lay North America, Inc. Easy open package for snack bars
CN103608267A (zh) * 2011-05-27 2014-02-26 大冢制药株式会社 包装袋及包装袋的制造方法
WO2012165180A1 (ja) * 2011-05-27 2012-12-06 大塚製薬株式会社 包装袋及び包装袋の製造方法
JP2014069880A (ja) * 2012-09-28 2014-04-21 Fuji Tokushu Shigyo Kk ジッパー付ピロー包装袋
CN111819137A (zh) * 2018-03-01 2020-10-23 诺信公司 定位焊接翅片密封件

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EP1464587A1 (de) 2004-10-06
US20070173395A1 (en) 2007-07-26

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