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. 03, 1996
Filed:
Oct. 16, 1990
Applicant:
Inventors:
James E Heath, Fridley, MN (US);
Scott L Angell, Blaine, MN (US);
Assignee:
BGK Finishing Systems, Inc., Blaine, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
C21D / ;
U.S. Cl.
CPC ...
266 87 ; 266103 ;
Abstract
An apparatus is disclosed for heat treating a product. The apparatus includes a plurality of lamp assemblies. Each of the assemblies has an infrared lamp disposed within a quartz conduit. The quartz conduit is formed of material which is generally transparent to infrared radiation. A cooling quartz is admitted into the lamp conduit. A frame is provided defining the heat treatment. The frame supports the lamp assemblies with the assemblies opposing the heat treatment area. Reflective refractory materials surrounds the lamps and the heat treatment area.