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:
Feb. 16, 1982
Filed:
Sep. 24, 1979
Applicant:
Inventor:
Paul F Rieffle, Pittsburgh, PA (US);
Assignee:
Coupling Systems, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01R / ;
U.S. Cl.
CPC ...
174 / ; 285174 ; 285369 ; 285422 ; 285D / ; 2772 / ;
Abstract
A pipe coupling and gasket is provided in which electrical conductivity through the coupling is assured, said coupling consisting of a middle ring with conical ends receiving an annular resilient gasket having a conductive helix made from metal wire of triangular cross section with an apex on the periphery of the helix, end caps urging the gasket into the conical ends of the middle ring and compression means acting on the end rings to move them toward the middle ring to compress the gasket and engage the helix against the middle ring, the end caps and a pipe therein.