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. 05, 1995
Filed:
Aug. 11, 1994
Applicant:
Inventors:
Katsumi Mabuchi, Hitachi, JP;
Masahiro Itoh, Hitachioota, JP;
Eizi Kashimura, Naka, JP;
Tsuneo Nakamura, Hitachi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25F / ; C25F / ;
U.S. Cl.
CPC ...
2041 / ; 204206 ; 204209 ; 204210 ;
Abstract
This invention provides a method and an apparatus for removing scales from hot-rolled steel strips to produce steel strips with excellent surface conditions. In a pickling facility to pickle the hot-rolled steel strip, the pickling method of this invention passes an electric current through the continuously fed, hot-rolled steel strip in one or more of a plurality of pickling tanks. A means to supply an electric current is also provided.