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.

Date of Patent:
Jul. 27, 1982

Filed:

Aug. 06, 1980
Applicant:
Inventors:

Herbert Steiner, Traunstein, DE;

Johann Magg, St. Georgen, DE;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ; H05B / ;
U.S. Cl.
CPC ...
219553 ; 219439 ; 219441 ; 219505 ; 219540 ; 219548 ; 338 / ;
Abstract

Electrical heating apparatus, including a frame formed of insulating material having an opening formed therethrough, a heating element formed of positive temperature coefficient material having two opposing outer surfaces and being disposed in the opening formed in the frame, an electrically-conducting current supply contact layer disposed on each of the two opposing outer surfaces of the heating element, an electrically conducting current input electrode plate formed of yieldable material being anchored in the frame and being disposed on each of the contact layers forming an integral structural unit enclosing the heating element, and a heat conducting plate formed of insulating material disposed on each of the electrode plates receiving heat transfered through the contact layers and clamping the heating element under pressure.


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