Title:
HIGH PRESSURE SEAL
Document Type and Number:
WIPO Patent Application WO2001071224
Kind Code:
A3
Abstract:
A fluid seal (10) for installation in a high pressure environment. The seal casing (12) comprises a casing member with an axial flange (36) and a radial flange (35). The seal includes a rubber lip body (23) and a flex neck section forming a pocket in which a synthetic resinous anti-extrusion insert is trapped. A radial flange of the casing includes on its innermost axial surface a plurality of shallow, spaced apart re-entrant formations (56), and the anti-extrusion insert (15) in use overlying and covering at least the re-entrant portion of a face (64) of the radial flange.
Inventors:
PAYKIN ALEX
Application Number:
PCT/US2001/040279
Publication Date:
May 30, 2002
Filing Date:
March 09, 2001
Export Citation:
Assignee:
SKF USA INC (US)
International Classes:
F16J15/32; (IPC1-7): F16J15/32
Foreign References:
| US5326112A | 1994-07-05 | |||
| US4326723A | 1982-04-27 | |||
| DE4441533C1 | 1996-06-27 |
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