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. 27, 1988
Filed:
Dec. 09, 1986
Applicant:
Inventors:
Saiji Matsuoka, Chiba, JP;
Susumu Satoh, Chiba, JP;
Takashi Obara, Chiba, JP;
Kozo Tsunoyama, Chiba, JP;
Hideo Abe, Chiba, JP;
Assignee:
Kawasaki Steel Corporation, Kobe, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21B / ; B21B / ; B22D / ;
U.S. Cl.
CPC ...
164476 ; 295277 ; 72202 ; 164417 ;
Abstract
Thin steel sheets having an improved processability are produced when a steel sheet or cast strip obtained through a continuous casting or strip caster process is subjected to a lubrication rolling step at a temperature of from Ar.sub.3 transformation point to 300.degree. C. and a rolling speed of not less than 1,500 m/min. By this method, the cold rolling step or cold rolling-annealing step can be omitted.