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:
Oct. 15, 1996
Filed:
Oct. 15, 1993
Applicant:
Inventor:
Thomas C Wallace, Denver, CO (US);
Assignee:
Corrosion Control Corp., Lakewood, CO (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ; F16L / ;
U.S. Cl.
CPC ...
277 58 ; 277180 ; 2772 / ; 285336 ; 285363 ;
Abstract
A tandem seal device is provided for interposing and compressing between joined pieces of pipe in a flow line to prevent fluid leakage therebetween. The tandem seal device comprising a retainer body having an inner pair and an outer pair of continuous grooves. A first pair of seal elements, fabricated from a first material, being disposed in the inner pair of grooves. A second pair of seal elements, fabricated from a second material, being disposed in the outer pair of grooves.