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:
Jan. 20, 1987
Filed:
Dec. 19, 1985
Applicant:
Inventor:
Warren W Stansberry, Phoenix, AZ (US);
Assignee:
Sperry Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
2771675 ; 2771 / ; 2772 / ; 277215 ;
Abstract
A plurality of concentric sealing rings on the face of a static sealing surface provides a positive seal when used with Teflon film or like materials that have a tendency to cold flow under pressure into recesses created by the concentric sealing rings.