Title:
SEAL FOR RECIPROCATING MOTION
Document Type and Number:
WIPO Patent Application WO/2014/185207
Kind Code:
A1
Abstract:
Provided is a seal for reciprocating motion, the seal having reduced sliding resistance and having various good performance characteristics, including good sealing characteristics, required for such a seal for reciprocating motion. A seal for reciprocating motion is mounted in an annular groove provided in one of sliding members which are capable of axially sliding relative to each other, and the seal has, in a transverse cross-section thereof, a triangular top (1), a rectangular body (2), and a protrusion (3) which faces the groove bottom. The corners of the protrusion (3), which face the groove bottom, are formed in a circular arc shape or a C-shaped chamfered shape and are configured so as to form gaps at the corners of the groove bottom. Hump-shaped small protrusions (7) having flat top surfaces (8) are circumferentially provided in a scattered-dot pattern on the front surface (5) and back surface of the body (2).
Inventors:
UNODA KAZUSHI (JP)
HONIDEN TAKAHIKO (JP)
HOSOKAWA ATSUSHI (JP)
HONIDEN TAKAHIKO (JP)
HOSOKAWA ATSUSHI (JP)
Application Number:
PCT/JP2014/060817
Publication Date:
November 20, 2014
Filing Date:
April 16, 2014
Export Citation:
Assignee:
MITSUBISHI CABLE IND LTD (JP)
International Classes:
F16J15/18; F16J15/32
Foreign References:
| JP2010216632A | 2010-09-30 | |||
| JPH08312788A | 1996-11-26 | |||
| JPH0579128U | 1993-10-26 | |||
| JPH07269733A | 1995-10-20 |
Attorney, Agent or Firm:
NAKATANI, TAKESHI (JP)
Takeshi Nakatani (JP)
Takeshi Nakatani (JP)
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