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:
Jan. 28, 1986
Filed:
Dec. 09, 1982
Applicant:
Inventors:
Tadahiko Nogami, Chiyoda, JP;
Tadashi Nishino, Hitachi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25D / ; B21B / ;
U.S. Cl.
CPC ...
204 28 ; 29 3 / ; 29415 ; 295274 ; 72 47 ; 72203 ; 72234 ; 204209 ;
Abstract
A method of and apparatus for effecting slitting rolling on a steel sheet, wherein a wide steel sheet is slit in the breadthwise direction into a plurality of steel sheets having smaller width and the slit steel sheets are moved in the breadthwise direction to form and maintain a predetermined distance therebetween. The steel sheets are then rolled independently to have edge drops on both breadthwise ends thereof, and, thereafter, the slit steel sheets having edge drops are subjected to a plating step. According to the invention, it is possible to obtain plated steel sheet product of high quality by slitting rolling.