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. 17, 1991
Filed:
Mar. 28, 1990
Applicant:
Inventors:
Charles H Bergman, Ham Lake, MN (US);
David E Bannick, Roseville, MN (US);
Richard A Stein, Rush City, MN (US);
Donald H Wattenhofer, Fridley, MN (US);
Assignee:
BGK Finishing Systems, Inc., Blaine, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F26B / ;
U.S. Cl.
CPC ...
392412 ; 392415 ; 392411 ; 34 46 ; 34-4 ; 34 39 ; 219483 ; 219494 ;
Abstract
An apparatus for heat treating the surface of a body includes at least one infrared lamp carried on a stand. A circuit is provided for controlling the energization of the lamp. The circuit includes a parameter input mechanism for permitting an operator to input at least one operating parameter to the circuit. The circuit also includes a proportional control software responsive to a temperature of the body being heat treated and responsive to a parameter inputted by the input mechanism.