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:
Sep. 01, 1987
Filed:
Dec. 23, 1985
Applicant:
Inventor:
Denzal W Van Winkle, Houston, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ; F16J / ;
U.S. Cl.
CPC ...
277166 ; 251-13 ; 277126 ; 277192 ; 277228 ; 2772 / ;
Abstract
An expansible and contractable replaceable seal arrangement includes an elastomer body bonded to at least a pair of spaced, rigid plate members with a mechanical arrangement interconnecting the plate members and elastomer body to accommodate relative movement therebetween in response to expansion and contraction of the elastomer body bonded therewith and to inhibit separation of the plates and elastomer body.