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. 12, 1982
Filed:
Jan. 10, 1980
Applicant:
Inventor:
Aaron J Pippert, Houston, TX (US);
Assignee:
Utex Industries, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
2771 / ; 277125 ; 277205 ; 277230 ; 2772 / ;
Abstract
A sealing device comprising a main body section defining at least one sealing surface, and comprised of a flexible material a secondary anti-extrusion section adjoined to the exterior of the main body section and comprised of a material more rigid than that of the main body section, and a primary anti-extrusion section adjoined to the secondary anti-extrusion section adjacent an exterior surface thereof and comprised of a metallic material more rigid than that of the secondary anti-extrusion section.