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:
Dec. 06, 1994
Filed:
Jan. 12, 1994
Applicant:
Inventors:
Masanori Kibata, Kanagawa, JP;
Noboru Kitamori, Kanagawa, JP;
Shigeki Kajima, Kanagawa, JP;
Kazunori Yokosu, Kanagawa, JP;
Mituo Kawai, Kanagawa, JP;
Hideo Ishihara, Kanagawa, JP;
Noriaki Yagi, Kanagawa, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
419-8 ; 419-5 ; 419-9 ; 419 36 ; 419 45 ;
Abstract
A high temperature heat-treating jig characterized by forming a tungsten layer or a tungsten alloy layer on the surface of a heat-resistant base to avoid discoloration and color shading during the heat treatment at a high temperature.