Title:
二軸延伸熱収縮性ポリオレフィン多層フィルムの製造方法及び前記方法により得られるフィルム
Document Type and Number:
Japanese Patent JP4551564
Kind Code:
B2
Abstract:
A process for manufacturing a bi-axially oriented, heat-shrinkable, polyolefin, multi-layer film comprising a first layer (A) comprising an ethylene- alpha -olefin copolymer and a second layer (B), which is an outer layer, comprising an ethylene or propylene homo- or copolymer, which process comprises melt extrusion of the film polymers through a flat die and orientation of the obtained cast sheet simultaneously in the longitudinal and the transversal directions by a simultaneous tenter.
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Inventors:
Roberto, Fororoni
Application Number:
JP2000589334A
Publication Date:
September 29, 2010
Filing Date:
December 13, 1999
Export Citation:
Assignee:
Cryoback Incorporated
International Classes:
B29C55/12; B29C55/02; C08J7/00; B29C55/16; B32B27/32; B29K23/00; C08L23/00
Domestic Patent References:
| JP64001535A | ||||
| JP6340040A | ||||
| JP8080565A | ||||
| JP3218812A |
Attorney, Agent or Firm:
Yoshio Kawaguchi
Makoto Ono
Akio Ichiiri
Katsuma Osaki
Takamasa Soma
Makoto Ono
Akio Ichiiri
Katsuma Osaki
Takamasa Soma