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:
Apr. 26, 1994
Filed:
May. 06, 1993
Applicant:
Inventors:
John R Eppeland, St. James, MN (US);
Jack E Mannerud, Coon Rapids, MN (US);
Assignee:
BGK Finishing Systems, Inc., Blaine, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21D / ;
U.S. Cl.
CPC ...
148511 ; 148508 ; 148698 ; 148699 ; 148700 ; 148701 ; 148702 ; 266 80 ; 266 87 ; 266 99 ; 266249 ; 266259 ; 374153 ;
Abstract
A method for heat treating an aluminum part is provided. The method includes heat treating the aluminum alloy part with direct radiation from a source of infrared energy until the part attains a desired state of heat treatment. The method and apparatus further include monitoring of the part and controlling the intensity of the radiation source through proportional control in response to the measured temperature.