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. 15, 1987
Filed:
May. 28, 1985
Applicant:
Inventor:
Nicholas V Ross, Youngstown, OH (US);
Assignee:
Ajax Magnethermic Corporation, Warren, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
219 1079 ; 219-85 ; 219-95 ;
Abstract
Apparatus for overheating the edges of a preheated formed skelp for the purpose of butt welding the skelp into pipe or tube. Induction coil assembly consisting of two (2) series connected loops, with a main conductor of each loop positioned within a magnetic flux guide and positioned adjacent to the open edges of the C-shaped skelp and the return conductors of each loop arranged externally on opposite side of the flux guide, providing localized overheating of the edges of the skelp prior to welding.