DE69730732D1 - Leicht zu öffnende reissbare folie - Google Patents

Leicht zu öffnende reissbare folie

Info

Publication number
DE69730732D1
DE69730732D1 DE69730732T DE69730732T DE69730732D1 DE 69730732 D1 DE69730732 D1 DE 69730732D1 DE 69730732 T DE69730732 T DE 69730732T DE 69730732 T DE69730732 T DE 69730732T DE 69730732 D1 DE69730732 D1 DE 69730732D1
Authority
DE
Germany
Prior art keywords
layers
layer
film
polyamide
easy
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.)
Expired - Lifetime
Application number
DE69730732T
Other languages
English (en)
Other versions
DE69730732T2 (de
Inventor
E Musco
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.)
Cryovac LLC
Original Assignee
Cryovac LLC
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=26710056&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69730732(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Cryovac LLC filed Critical Cryovac LLC
Publication of DE69730732D1 publication Critical patent/DE69730732D1/de
Application granted granted Critical
Publication of DE69730732T2 publication Critical patent/DE69730732T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B65D75/26—Articles or materials wholly enclosed in laminated sheets or wrapper blanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/31—Heat sealable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/582—Tearability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • B32B2439/40—Closed containers
    • B32B2439/46—Bags

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wrappers (AREA)
  • Bag Frames (AREA)
  • Laminated Bodies (AREA)
  • Packages (AREA)
DE69730732T 1996-12-20 1997-12-10 Leicht zu öffnende reissbare folie Expired - Lifetime DE69730732T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US3372196P 1996-12-20 1996-12-20
US33721P 1996-12-20
US08/911,983 US6780373B1 (en) 1996-12-20 1997-08-15 Method of making an easy open tear film
PCT/US1997/022589 WO1998028132A1 (en) 1996-12-20 1997-12-10 Easy open tear film
US911983 2001-07-24

Publications (2)

Publication Number Publication Date
DE69730732D1 true DE69730732D1 (de) 2004-10-21
DE69730732T2 DE69730732T2 (de) 2005-09-22

Family

ID=26710056

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69730732T Expired - Lifetime DE69730732T2 (de) 1996-12-20 1997-12-10 Leicht zu öffnende reissbare folie

Country Status (8)

Country Link
US (1) US6780373B1 (de)
EP (1) EP0946360B1 (de)
AT (1) ATE276102T1 (de)
AU (1) AU739324C (de)
CA (1) CA2278013C (de)
DE (1) DE69730732T2 (de)
NZ (1) NZ336730A (de)
WO (1) WO1998028132A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6500559B2 (en) 1998-05-04 2002-12-31 Cryovac, Inc. Multiple layer film with amorphous polyamide layer
DE19830976A1 (de) 1998-07-10 2000-01-13 Wolff Walsrode Ag Mehrschichtige, coextrudierte, wärmestabile Tiefziehfolie für Verpackungsanwendungen
US8522978B2 (en) * 2006-12-01 2013-09-03 Cryovac, Inc. Stress concentrator for opening a flexible container
US9662869B2 (en) * 2007-02-08 2017-05-30 Meissner Filtration Products, Inc. Multilayer film, method of making the same and containers formed from the same
US7871303B2 (en) * 2007-03-09 2011-01-18 Honeywell International Inc. System for filling and venting of run-in gas into vacuum tubes
US10189621B2 (en) * 2007-05-21 2019-01-29 Cryovac, Inc. Bag made from high-strength heat-shrinkable film exhibiting directional tear, and process utilizing same
US10202229B2 (en) 2007-05-21 2019-02-12 Cryovac, Inc. Easy opening packaging article made from heat-shrinkable film exhibiting directional tear
US7980272B2 (en) * 2007-06-21 2011-07-19 Samsung Electronics Co., Ltd. Microfluidic valve, method of manufacturing the same, and microfluidic device comprising the microfluidic valve
US8642144B2 (en) * 2008-05-28 2014-02-04 Bemis Company, Inc. Innerliner with nylon skin layer
US8375686B2 (en) 2009-12-22 2013-02-19 Cryovac, Inc. Aseptic packaging system, packaging process and package with external fitment
EP2397325A1 (de) * 2010-06-18 2011-12-21 Cryovac, Inc. Mehrschichtiger Film zum Verpacken von Flüssigprodukten
US9415990B2 (en) * 2013-02-13 2016-08-16 Cryovac, Inc. Bag-in-box system for use in dispensing a pumpable product
US11285696B2 (en) 2016-10-14 2022-03-29 Cryovac, Llc Packaging film for organoleptic sensitive product, and process, packaging article, and packaged product thereof

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2956383A (en) 1959-05-19 1960-10-18 Hayssen Mfg Company Product settling attachments for packaging machines
US3223761A (en) * 1962-04-30 1965-12-14 Union Carbide Corp Melt extrusion of multi-wall plastic tubing
US3340129A (en) 1964-07-28 1967-09-05 Doughboy Ind Inc Sealing apparatus
US3456044A (en) * 1965-03-12 1969-07-15 Heinz Erich Pahlke Biaxial orientation
US3611657A (en) 1968-09-27 1971-10-12 Kureha Chemical Ind Co Ltd Continuously operating automatic filling machine
DE2062673A1 (de) 1970-12-19 1972-06-22 Hamac-Hansella Gmbh, 4060 Viersen Vorrichtung zum Herstellen von Beutelpackungen aus einem schlauchförmigen Verpackungsmaterial
AR207667A1 (es) 1974-12-23 1976-10-22 Grace W R & Co Procedimiento para obtener laminados de poliamidas orientadas y el laminado asi obtenido
US4103473A (en) 1977-08-24 1978-08-01 Atlas Powder Company Apparatus for making a compartmented container
US4571926A (en) 1979-06-22 1986-02-25 Pneumatic Scale Corporation Apparatus for forming, filling and depositing filled bags into cartons
SE445824B (sv) 1980-01-10 1986-07-21 Leif Einar Stern Kopplingsanordning for anslutning av ett materialuttag till en forpackning
CA1192164A (fr) 1982-04-08 1985-08-20 Ludger Holscher Bec-verseur pour poche de plastique enfermant un liquide
AU565262B2 (en) 1982-06-02 1987-09-10 Du Pont Canada Inc. Pouches of copolymer film
US4532753A (en) 1983-02-18 1985-08-06 Hayssen Manufacturing Company Method of and apparatus for forming, filling and sealing packages
US4506494A (en) 1983-04-18 1985-03-26 Mamoru Shimoyama Packed bag cutter
US4532752A (en) 1983-09-27 1985-08-06 W. R. Grace & Co., Cryovac Div. Product indexing device
JPS60154206U (ja) 1984-03-27 1985-10-15 オリヒロ株式会社 横シ−ルしわ防止装置
JPS6154934A (ja) 1984-08-27 1986-03-19 富士写真フイルム株式会社 写真感光材料包装用フイルム
US4724185A (en) * 1985-09-17 1988-02-09 W. R. Grace & Co., Cryovac Div. Oxygen barrier oriented film
US5325995A (en) 1989-07-27 1994-07-05 Du Pont Canada Inc. Piercing nozzle for pouch fitment
DE69125319T2 (de) 1990-01-30 1997-10-30 Nippon Petrochemicals Co Ltd Monoaxial orientiertes mehrlagiges verpackungsmaterial
US5562958A (en) * 1991-10-15 1996-10-08 The Dow Chemical Company Packaging and wrapping film
FI96033C (fi) 1992-12-31 1996-04-25 Borealis As Menetelmä polyolefiinien funktionalisoimiseksi sulatilassa
US5419795A (en) * 1993-07-29 1995-05-30 W. R. Grace & Co.-Conn. High slip packaging film with trapped print
JPH0760833A (ja) * 1993-08-23 1995-03-07 Mitsubishi Chem Corp インフレーション樹脂フィルムの成形方法
DE19510136A1 (de) 1995-03-21 1996-09-26 Wolff Walsrode Ag Klebstofffreie, sterilisationsfeste Mehrschichtfolie für Verpackungsanwendungen

Also Published As

Publication number Publication date
AU739324B2 (en) 2001-10-11
AU739324C (en) 2007-06-28
CA2278013C (en) 2005-11-15
ATE276102T1 (de) 2004-10-15
DE69730732T2 (de) 2005-09-22
EP0946360B1 (de) 2004-09-15
NZ336730A (en) 2001-06-29
EP0946360A1 (de) 1999-10-06
AU5379198A (en) 1998-07-17
WO1998028132A1 (en) 1998-07-02
CA2278013A1 (en) 1998-07-02
US6780373B1 (en) 2004-08-24

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings