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. 29, 1993
Filed:
Oct. 03, 1991
Applicant:
Inventors:
Masami Oki, Ibaraki, JP;
Hitoshi Teshigawara, Ibaraki, JP;
Takao Taka, Ikoma, JP;
Yasuto Fukada, Nishinomiya, JP;
Yutaka Suzuki, Sakura, JP;
Seiji Okada, Amagasaki, JP;
Assignee:
Sumitomo Metal Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
228220 ; 228902 ; 228205 ;
Abstract
A method of carrying out hot pressure welding of hot steel stock is disclosed, which is effective for achieving a continuous hot rolling line. The hot steel stock to be joined is subjected to butt joining or lap joining in a reducing atmosphere under pressure while under hot conditions.