Title:
SEALING DEVICE
Document Type and Number:
WIPO Patent Application WO/2005/057057
Kind Code:
A1
Abstract:
A high-quality sealing device where failure in forming a seal section is reduced and durability of the seal section is improved. In a piston member (11), a portion of an outer peripheral skirt section (13) is stepped, a section having a diameter smaller (thin-walled) than a section constructing an end section, on the axial multi-disk clutch (4) side, of the outer peripheral skirt section (13) is provided, and an end section of a rubber-like elastic body (7) constructing a seal lip (71) is fixed to the stepped section.
Inventors:
TAJIMA TOSHIHIRO (JP)
Application Number:
PCT/JP2004/016660
Publication Date:
June 23, 2005
Filing Date:
November 10, 2004
Export Citation:
Assignee:
NOK CORP (JP)
TAJIMA TOSHIHIRO (JP)
TAJIMA TOSHIHIRO (JP)
International Classes:
F16D25/12; (IPC1-7): F16J15/32; F16D25/12
Foreign References:
| JP2002139155A | 2002-05-17 | |||
| JP2003329143A | 2003-11-19 | |||
| JP2004218821A | 2004-08-05 |
Other References:
See also references of EP 1698808A4
Attorney, Agent or Firm:
Sera, Kazunobu (4-10 Higashi Nihonbashi 3-chome, Chuo-k, Tokyo 04, JP)
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