The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 27, 2004
Filed:
Jul. 13, 2000
Applicant:
Inventors:
Yuichi Kuroki, Fujisawa, JP;
Akira Yamaguchi, Fukushima, JP;
Assignee:
NOK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 1/532 ;
U.S. Cl.
CPC ...
F16J 1/532 ;
Abstract
A sealing device including a fitting portion fixed on a first surface forming an annular gap with a second surface; and a seal supported by a support provided at the fitting portion and including a plurality of axial lips whose tips come into contact with the second surface. The annular gap is sealed for the purpose of isolating a sealed side and a non-sealed side, and ribs for pumping a sealing fluid to the sealed side are formed on the lips at the non-sealed side.