DK169144B1 - Flerlags emballagefolie, især til levnedsmidler. - Google Patents

Flerlags emballagefolie, især til levnedsmidler. Download PDF

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Publication number
DK169144B1
DK169144B1 DK104087A DK104087A DK169144B1 DK 169144 B1 DK169144 B1 DK 169144B1 DK 104087 A DK104087 A DK 104087A DK 104087 A DK104087 A DK 104087A DK 169144 B1 DK169144 B1 DK 169144B1
Authority
DK
Denmark
Prior art keywords
approx
film
layers
polyamide
foil
Prior art date
Application number
DK104087A
Other languages
Danish (da)
English (en)
Other versions
DK104087D0 (da
DK104087A (da
Inventor
Gautan P Shah
Ennis M Fant
Original Assignee
Grace W R & Co
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=27420248&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK169144(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US06/834,694 external-priority patent/US4746562A/en
Priority claimed from US06/842,600 external-priority patent/US4755419A/en
Application filed by Grace W R & Co filed Critical Grace W R & Co
Publication of DK104087D0 publication Critical patent/DK104087D0/da
Publication of DK104087A publication Critical patent/DK104087A/da
Application granted granted Critical
Publication of DK169144B1 publication Critical patent/DK169144B1/da

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
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/185—Articles comprising two or more components, e.g. co-extruded layers the components being layers comprising six or more components, i.e. each component being counted once for each time it is present, e.g. in a layer
    • 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
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • 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
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0036—Heat treatment
    • 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • B32B2038/0028—Stretching, elongating
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B2038/0052—Other operations not otherwise provided for
    • B32B2038/0076—Curing, vulcanising, cross-linking
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B32B2250/246—All polymers belonging to those covered by groups B32B27/32 and B32B27/30
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • 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
    • B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
    • 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/72—Cured, e.g. vulcanised, cross-linked
    • 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
    • B32B2307/514—Oriented
    • B32B2307/518—Oriented bi-axially
    • 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
    • B32B2307/70—Other properties
    • B32B2307/718—Weight, e.g. weight per square meter
    • 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
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B32B2323/046—LDPE, i.e. low density polyethylene
    • 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
    • B32B2439/70—Food packaging

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)
  • Packages (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
DK104087A 1986-02-28 1987-02-27 Flerlags emballagefolie, især til levnedsmidler. DK169144B1 (da)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US83469486 1986-02-28
US06/834,694 US4746562A (en) 1986-02-28 1986-02-28 Packaging film
US84232186A 1986-03-21 1986-03-21
US84232186 1986-03-21
US84260086 1986-03-21
US06/842,600 US4755419A (en) 1986-03-21 1986-03-21 Oxygen barrier oriented shrink film

Publications (3)

Publication Number Publication Date
DK104087D0 DK104087D0 (da) 1987-02-27
DK104087A DK104087A (da) 1987-11-03
DK169144B1 true DK169144B1 (da) 1994-08-29

Family

ID=27420248

Family Applications (1)

Application Number Title Priority Date Filing Date
DK104087A DK169144B1 (da) 1986-02-28 1987-02-27 Flerlags emballagefolie, især til levnedsmidler.

Country Status (4)

Country Link
EP (2) EP0236099B2 (de)
AT (1) ATE165560T1 (de)
DE (2) DE3752186T2 (de)
DK (1) DK169144B1 (de)

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US5077109A (en) * 1987-08-31 1991-12-31 Viskase Corporation Oriented multilayer film and process for making same
EP0341937B1 (de) * 1988-05-09 1997-02-05 International Paper Company Sauerstoffundurchlässiger leckagefreier Behälter
US5032463A (en) * 1988-07-18 1991-07-16 Viskase Corporation Very low density polyethylene film from blends
US5053259A (en) * 1988-08-23 1991-10-01 Viskase Corporation Amorphous nylon copolymer and copolyamide films and blends
CA1328836C (en) * 1989-05-22 1994-04-26 Charles E. Gibbons Oxygen impermeable leak free container
DE4029405A1 (de) * 1990-03-16 1991-09-19 Degussa Formkoerper zur waermedaemmung
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JP3104885B2 (ja) * 1992-03-13 2000-10-30 大倉工業株式会社 熱収縮性積層フィルム
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KR102179858B1 (ko) 2013-01-18 2020-11-18 사토리우스 스테딤 에프엠티 에스에이에스 1 회용 파우치의 벽에 사용되는, 접촉층, 코어층 및 외층을 포함하는 다층 필름
CN103129832B (zh) * 2013-02-22 2015-04-08 江阴升辉包装材料有限公司 一种具有防雾功能的阻湿阻氧保香包装薄膜
US9248632B2 (en) * 2013-08-19 2016-02-02 Scholle Corporation Film for flexible packaging for use in bag in box packaging and bags made therefrom
EP3200996A1 (de) 2014-10-03 2017-08-09 E. I. du Pont de Nemours and Company Mehrschichtige nahrungsmittelhülle oder -folie
RU2582701C1 (ru) * 2014-12-23 2016-04-27 федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский национальный исследовательский технологический университет" (ФГБОУ ВО "КНИТУ") Многослойная рукавная или плоская оболочка или пленка
MX2019001351A (es) * 2016-08-03 2019-07-10 Sealed Air Corp Pelicula de microcapa opaca, capaz de contraerse por calor.
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CN111204099A (zh) * 2020-01-08 2020-05-29 江阴升辉包装材料有限公司 一种普鲁兰多糖高阻隔性食品包装膜及其制备方法
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JPS5882752A (ja) * 1981-11-11 1983-05-18 呉羽化学工業株式会社 熱収縮性フイルム
JPS60161146A (ja) * 1984-01-31 1985-08-22 株式会社クラレ 耐屈曲疲労に優れたフレキシブルな気体遮断性積層包装材よりなるバッグインボックス内容器の構成材
US4643943A (en) * 1984-05-30 1987-02-17 W. R. Grace & Co., Cryovac Div. Multi-layer polyolefin shrink film

Also Published As

Publication number Publication date
EP0236099A2 (de) 1987-09-09
DE3789629T3 (de) 2005-06-23
ATE165560T1 (de) 1998-05-15
DE3789629D1 (de) 1994-05-26
DK104087D0 (da) 1987-02-27
EP0236099A3 (en) 1988-08-10
EP0236099B1 (de) 1994-04-20
DE3752186T2 (de) 1998-08-20
DK104087A (da) 1987-11-03
EP0561428B1 (de) 1998-04-29
EP0561428A1 (de) 1993-09-22
DE3752186D1 (de) 1998-06-04
EP0236099B2 (de) 2004-12-01
DE3789629T2 (de) 1994-08-04

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B1 Patent granted (law 1993)
PUP Patent expired