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:
Aug. 01, 1989
Filed:
Jun. 26, 1987
Applicant:
Inventors:
Nachum Rosenzweig, Palo Alto, CA (US);
Pravin L Soni, Union City, CA (US);
Assignee:
Raychem Corporation, Menlo Park, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264 27 ; 156 86 ; 219535 ; 264 36 ; 264104 ; 264105 ; 264230 ; 2643 / ;
Abstract
Methods of modifying substrates, in particular joining pipes, especially pipes composed of glass fiber-reinforced polymers, make use of heat-recoverable conductive polymer articles. An insert is placed between the substrate and the article, and undergoes a desired chemical and/or physical change when the article is recovered. Preferably the insert is a fiber-reinforced thermosetting polymer which is cured in situ against the substrate. Preferably the conductive polymer is a sintered material or another material having good physical properties above its recovery temperature.