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Title:
LID MATERIAL
Document Type and Number:
Japanese Patent JP2005335818
Kind Code:
A
Abstract:

To provide a lid material which can be used to not only give easy unseal-ability in an exfoliation starting point but also to make a problem such as cobwebbing generated when unsealed dissolve in the case of the easily unsealable mechanism of a cohesion exfoliation type in the lid material having a multi-layer composition mainly composed of a thermoplastic resin layer.

The lid material is composed from the thermoplastic resin of 5-20 MPa in tensile fracture strength in the JIS. K7113 of the thermoplastic resin layer forming the sealant layer of this lid material in the lid material having the multi-layer composition mainly composed of the thermoplastic resin layer.


Inventors:
SUZUTA MASAYOSHI
TANIGUCHI MASAYUKI
UMEYAMA HIROSHI
FURUSAWA NOBUO
SEKIGUCHI MAMORU
Application Number:
JP2005000245399
Publication Date:
December 08, 2005
Filing Date:
August 26, 2005
Export Citation:
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Assignee:
TOPPAN PRINTING CO LTD
International Classes:
B65D53/04; (IPC1-7): B65D53/04
Domestic Patent References:
JPS6344477A1988-02-25
JPH10337829A1998-12-22
JPH06344526A1994-12-20
JPH10138420A1998-05-26
JPS5357247A1978-05-24