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:
Oct. 20, 1987
Filed:
May. 09, 1986
Applicant:
Inventor:
Edward J Rylicki, Powell, OH (US);
Assignee:
Industrial Electric Heating, Inc., Hilliard, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
219 1057 ; 219 1067 ; 219 1071 ; 219 1043 ;
Abstract
This invention relates to a method and apparatus for the induction heat treatment of conducting workpieces. More particularly, this invention relates to an apparatus and method for heat treating irregularly shaped workpieces lacking rotational symmetry about a central axis. The heat treatment applied by the apparatus or method of the present invention effects the surface of the workpiece substantially uniformly at all points around the perimeter of a workpiece lacking rotational symmetry, and accomplishing such substantially uniform heat treatment without requiring excessive current flow, without requiring interruptions of large current flow.