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:
Jun. 15, 1993
Filed:
Apr. 29, 1991
Applicant:
Inventor:
Peter Mikitka, Edmonton, CA;
Assignee:
Tuboscope, Inc., Houston, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
285 55 ; 285 21 ; 285286 ;
Abstract
A pipe connection having a protective interior coating, with the integrity thereof being maintained during assembly of the pipe connection by welding. This is achieved by the use of a heat deflecting material that prevents damage to the interior coating from heat generated incident to welding at the weld-affected zone. During assembly of the pipe connection, mating, coacting compressible materials are brought into engagement and thereby compressed to ensure a fluid barrier along the pipe connection after assembly by welding.