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. 14, 1999
Filed:
Dec. 29, 1997
Applicant:
Inventors:
Bradley A Goodman, Harmony, PA (US);
Charles Pollum, Harmony, PA (US);
Duane D Guthrie, Zelienople, PA (US);
Assignee:
Kerotest Manufacturing Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
219544 ; 219543 ;
Abstract
The present invention is directed to a method for creating an electrofused union between a plurality of thermoplastic members, with at least one of the members having an embedded electrically resistive element. The method includes the steps of generating a direct current voltage from a direct current power supply and transmitting the direct current voltage to the electrically resistive element. The present invention also contemplates an electrofusion system.