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:
Jun. 26, 1990
Filed:
Jul. 25, 1989
Applicant:
Inventors:
Hiroshi Arai, Kanagawa, JP;
Seiichi Takeda, Kanagawa, JP;
Masahiro Sasaki, Kanagawa, JP;
Kazuhisa Yokoyama, Kanagawa, JP;
Assignee:
Nippon Metal Industry Co., Ltd., Shinjuku, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K / ; B23K / ; B23K / ;
U.S. Cl.
CPC ...
228190 ; 228193 ; 228243 ; 228127 ; 2281732 ;
Abstract
The present invention provides a process for producing a clad plate which comprises a first step of forming a coil by taking up two or more metal sheets as clad materials and a thin sheet of heat-resistant steel which works as a separator material while these members are overlaid on one another and a second step of vacuum heat-treating the resultant coil.