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. 08, 1987
Filed:
Aug. 12, 1986
Seiichiro Kimura, Koganei, JP;
Hidekazu Aoki, Tachikawa, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A surface heat-treating apparatus which focuses laser beam onto a surface of a workpiece for heat-treating the same comprises a composite cylindrical segment mirror and a cylindrical mirror provided in a subsequent stage thereof. The composite mirror is made of two cylindrical segment mirrors joined together with a predetermined angle in a V-shaped manner so that the laser beam reflected by the two component cylindrical segment mirrors of the composite mirror is transmitted to the cylindrical mirror in a manner reversed with respect to the lengthwise and widthwise directions of the composite cylindrical segment mirror and a heat-treating area of a rectangular configuration is thereby provided on the workpiece.