Title:
BATTERY−USE PACKING MATERIAL
Document Type and Number:
WIPO Patent Application WO/2003/001618
Kind Code:
A1
Abstract:
A battery−use packing material which is a packing material that forms a battery enclosure having a battery body inserted thereinto and the peripheral edge thereof sealed by heat sealing, and that consists of a laminate composed of at least a base material layer, an adhesion layer, a barrier layer, a dry laminate layer, and a sealant layer, characterized in that at least the sealant layer consists of a low−fluidity polypropylene layer not likely to be crushed by heat and pressure by heat sealing and a high−fluidity polypropylene layer likely to be crushed, with the high−fluidity polypropylene layer as the inner−most layer. This battery−use packing material can impart moisture−proofness and content−protecting property.
Inventors:
YAMASHITA RIKIYA (JP)
MOCHIZUKI YOICHI (JP)
YAMADA KAZUKI (JP)
OKUSHITA MASATAKA (JP)
MOCHIZUKI YOICHI (JP)
YAMADA KAZUKI (JP)
OKUSHITA MASATAKA (JP)
Application Number:
PCT/JP2002/006018
Publication Date:
January 03, 2003
Filing Date:
June 17, 2002
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD (JP)
YAMASHITA RIKIYA (JP)
MOCHIZUKI YOICHI (JP)
YAMADA KAZUKI (JP)
OKUSHITA MASATAKA (JP)
YAMASHITA RIKIYA (JP)
MOCHIZUKI YOICHI (JP)
YAMADA KAZUKI (JP)
OKUSHITA MASATAKA (JP)
International Classes:
H01M50/178; H01M50/186; H01M50/193; H01M50/197; H01M50/55; H01M50/557; H01M50/562; (IPC1-7): H01M2/02; H01M2/08
Domestic Patent References:
| WO1999040634A1 | 1999-08-12 |
Foreign References:
| JP2000133219A | 2000-05-12 | |||
| EP0997954A1 | 2000-05-03 | |||
| JP2001093482A | 2001-04-06 | |||
| JP2001102011A | 2001-04-13 |
Other References:
See also references of EP 1315219A4
Attorney, Agent or Firm:
Yoshitake, Kenji (Fuji Bldg. 2-3 Marunouchi 3-chome Chiyoda-ku, Tokyo, JP)
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