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Title:
LAMINATED FILM
Document Type and Number:
Japanese Patent JP2002355920
Kind Code:
A
Abstract:

To provide a laminated film for a package of a battery aiming at reduction of the size and thickness of the battery comprising a laminate of a thin metal layer with a thickness of 0.1 mm or less and plastics, and having a thickness of 0.2 mm or less as a whole and not torn even if subjected to deep drawing processing.

The laminated film consists of an adhesive layer 3, the metal layer 1 with a thickness of 0.1 mm or less, and a metal protective layer 2 comprising plastics, and has a reduced thickness of 0.2 mm or less as a whole. A value calculated by dividing breaking strength per a width of 5 mm by the coefficient of static friction of the laminated film with a mold metal of the laminated film is not more than 125 N/5 mm.


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Inventors:
YADOSHIMA SATOSHI
FUKUDA YUTAKA
MURAO SATOSHI
TANAKA KEIICHI
HOSOKAWA TAKEHIRO
TANAKA KOSUKE
Application Number:
JP2001162727A
Publication Date:
December 10, 2002
Filing Date:
May 30, 2001
Export Citation:
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Assignee:
SUMITOMO ELECTRIC INDUSTRIES
International Classes:
B32B15/08; H01M2/02; (IPC1-7): B32B15/08; H01M2/02
Attorney, Agent or Firm:
Tetsuji Ueshiro (1 person outside)



 
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