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:
Oct. 29, 1991
Filed:
Apr. 13, 1990
Applicant:
Inventors:
Ken'ichi Aoki, Fujisawa, JP;
Yoshikazu Seino, Chiba, JP;
Teruhiro Saito, Chiba, JP;
Ken'ichi Tokoro, Chiba, JP;
Assignees:
Kawasaki Steel Corporation, both of, JP;
Kanto Special Steel Works, Ltd., both of, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
420109 ; 420110 ; 420101 ; 420 68 ;
Abstract
A steel from which rolls for a cold rolling mill are made and which gives to the rolls very excellent wear resistance in addition to thermal shock and spalling resistances and various mechanical characteristics is provided. Said steel comprises: