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:
Feb. 05, 1985
Filed:
Apr. 09, 1984
Applicant:
Inventors:
Karl D Allen, Canton, MI (US);
Alan L Brace, Livonia, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ; F16J / ;
U.S. Cl.
CPC ...
277 27 ; 277165 ; 277215 ;
Abstract
A pressure activated seal ring has an inner cylindrical surface with a plurality of undulations formed thereon and a substantially smooth cylindrical outer surface. The undulated areas permit pressure on the inner surface so that the outer cylindrical surface will be forced into sealing contact with an adjacent surface.