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BR9714013A - Laminado tendo um filme coextrudado, de camada múltipla que deslamina e embalagem feita do mesmo - Google Patents

Laminado tendo um filme coextrudado, de camada múltipla que deslamina e embalagem feita do mesmo

Info

Publication number
BR9714013A
BR9714013A BR9714013-9A BR9714013A BR9714013A BR 9714013 A BR9714013 A BR 9714013A BR 9714013 A BR9714013 A BR 9714013A BR 9714013 A BR9714013 A BR 9714013A
Authority
BR
Brazil
Prior art keywords
laminate
coextruded
gas
film
multilayer film
Prior art date
Application number
BR9714013-9A
Other languages
English (en)
Inventor
Patric N Kocher
Kimberly Ann Mudar
Walter B Muller
H Walker Stockler Iii
Original Assignee
Cryovac 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25070643&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9714013(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Cryovac Inc filed Critical Cryovac Inc
Publication of BR9714013A publication Critical patent/BR9714013A/pt

Links

Classifications

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Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Packages (AREA)
  • Wrappers (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

Patente de Invenção: <B>"LAMINADO TENDO UM FILME COEXTRUDADO, DE CAMADA MúLTIPLA QUE DESLAMINA E EMBALAGEM FEITA DO MESMO"<D>. Um laminado compreendendo dois ou mais filmes (26, 28), pelo menos um dos filmes sendo um filme coextrudado, de camada múltipla (26), em que o laminado se deslamina dentro do filme coextrudado, de camada múltipla (26) quando o laminado é submetido a uma força de descamação variando de 1,79 x 10^ -4^ a -0,45 kg/cm (0,001 a 2,5 libras por polegada). O laminado com vantagem provê a tampa (24) para uma embalagem e se deslamina em uma porção substancialmente impermeável ao gás e em uma porção permeável ao gás, com a porção permeável ao gás sendo ligada diretamente a um membro de suporte de produto (12) da embalagem. Desta maneira, a porção impermeável ao gás pode ser retirada de modo a se descamar da embalagem a fim de deixar o oxigênio atmosférico entrar no interior da embalagem. A porção permeável ao gás pode ser provida pela perfuração do filme coextrudado deslaminável (26) e pela ligação de tal filme ao membro de suporte (12) de maneira que, quando o laminado se faz deslaminar dentro do filme perfurado, coextrudado (26), as perfurações ficam expostas à atmosfera ambiente, e desta maneira permitem o rápido ingresso do oxigênio para o interior da embalagem.
BR9714013-9A 1996-12-11 1997-12-05 Laminado tendo um filme coextrudado, de camada múltipla que deslamina e embalagem feita do mesmo BR9714013A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/764,405 US5919547A (en) 1995-06-06 1996-12-11 Laminate having a coextruded, multilayer film which delaminates and package made therefrom
PCT/US1997/022294 WO1998025760A1 (en) 1996-12-11 1997-12-05 Laminate having a coextruded, multilayer film which delaminates and package made therefrom

Publications (1)

Publication Number Publication Date
BR9714013A true BR9714013A (pt) 2000-05-09

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US (2) US5919547A (pt)
EP (1) EP0944473A1 (pt)
JP (1) JP4024868B2 (pt)
KR (1) KR100618751B1 (pt)
CN (1) CN1100667C (pt)
AU (1) AU716046B2 (pt)
BR (1) BR9714013A (pt)
CA (1) CA2272646C (pt)
NZ (1) NZ335811A (pt)
WO (1) WO1998025760A1 (pt)

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Also Published As

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AU5374298A (en) 1998-07-03
CN1246091A (zh) 2000-03-01
KR100618751B1 (ko) 2006-09-04
US5919547A (en) 1999-07-06
JP4024868B2 (ja) 2007-12-19
KR20000069403A (ko) 2000-11-25
JP2001506192A (ja) 2001-05-15
WO1998025760A1 (en) 1998-06-18
EP0944473A1 (en) 1999-09-29
CN1100667C (zh) 2003-02-05
AU716046B2 (en) 2000-02-17
CA2272646A1 (en) 1998-06-18
NZ335811A (en) 2000-12-22
CA2272646C (en) 2006-10-17
US6033758A (en) 2000-03-07

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