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. 12, 1989
Filed:
Oct. 06, 1988
Applicant:
Inventor:
Robert J Durkin, Elkhart, IN (US);
Assignee:
Elkhart Products Corporation, Elkhart, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; H05B / ;
U.S. Cl.
CPC ...
156158 ; 1562722 ; 1562739 ; 156294 ; 1563096 ; 219535 ; 219544 ; 264 27 ; 264273 ; 285423 ;
Abstract
A method of connecting two thermoplastic pipes and joint resulting therefrom which includes an electrically conductive insert sleeve with radially extending barbs alternately projecting to the inside and outside diameter of the sleeve into the adjacent fused plastic to achieve the joint.