Title:
POLYTETRAFLUOROETHYLENE RESIN COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2004/094528
Kind Code:
A1
Abstract:
A polytetrafluoroethylene resin composition composed of 78-60 weight% of polytetrafluoroethylene and 22-40 weight% of carbon fibers is disclosed. By blending only a certain amount of carbon fibers into PTFE, the thus-obtained PTFE resin composition can be effectively used as a forming material for sealing lip of oil seal which has excellent deformation resistance, sealing properties and wear-resistant characteristics.
Inventors:
UMEHARA TOSHIHIKO (JP)
Application Number:
PCT/JP2004/005018
Publication Date:
November 04, 2004
Filing Date:
April 07, 2004
Export Citation:
Assignee:
NOK CORP (JP)
UMEHARA TOSHIHIKO (JP)
UMEHARA TOSHIHIKO (JP)
International Classes:
C08K7/06; C08L27/18; C09K3/10; F16J15/3284; (IPC1-7): C08L27/18; C08K7/06; C09K3/10; F16J15/32
Foreign References:
| JP2003227522A | 2003-08-15 | |||
| JPH0599070A | 1993-04-20 | |||
| JPS61248965A | 1986-11-06 | |||
| JPH0543763A | 1993-02-23 | |||
| JPS5058158A | 1975-05-20 | |||
| JPS51126241A | 1976-11-04 | |||
| JPH0532842A | 1993-02-09 | |||
| JPH0881608A | 1996-03-26 | |||
| JPS6215280A | 1987-01-23 |
Attorney, Agent or Firm:
Yoshida, Toshio (Hillside Ebisu Bldg. 21-11, Ebisuminami
1-chome, Shibuya-k, Tokyo 22, JP)
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