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:
May. 11, 1982
Filed:
Dec. 10, 1980
Applicant:
Inventors:
Kenneth R Albertson, West Valley City, UT (US);
Ralph E Peterson, Salt Lake City, UT (US);
Assignee:
Parker-Hannifin Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
277-1 ; 277124 ; 277125 ; 277205 ; 277228 ; 2914 / ; 29530 ; 264138 ; 264259 ;
Abstract
A sealing ring having a U-shaped shell member and an actuator member formed in situ from liquid elastomer. The shell member has a base portion with two legs extending from the base to form a cavity therebetween which is filled with the liquid elastomer and cured in situ. This integrally formed U-shaped composite ring seal yields a highly reliable seal with minimal dimensional variation problems and is easy and economical to manufacture.