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. 04, 2001
Filed:
Feb. 24, 2000
Applicant:
Inventors:
Tsuyoshi Hirokawa, Shizuoka, JP;
Toru Yamazaki, Shizuoka, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
C25F 3/04 ; B01D 1/706 ;
U.S. Cl.
CPC ...
C25F 3/04 ; B01D 1/706 ;
Abstract
This invention provides an apparatus and a method capable of electrolyzing a metal web at a high treating speed and high current density without a problem of uneven treatment, which a metal web is wound, arc-shaped electrodes allocated on the outside of the drum roller concentrically with a space, and an electrolytic solution put in the space, wherein the drum roller is made movable in the vertical direction, and a method using the apparatus.