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. 31, 2002
Filed:
Dec. 01, 1999
Applicant:
Inventor:
Hirofumi Sugikawa, Toyonaka, JP;
Assignee:
Katayama Special Industries, Ltd., Osaka-Fu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 ; H01M 4/50 ;
U.S. Cl.
CPC ...
H01M 4/62 ; H01M 4/50 ;
Abstract
An electrode for a battery produced by a method comprising the steps of continuously forming a metallic porous foil consisting of metal powders having fine voids; attaching powders of an active substance not containing a binder; fixing the powders into the fine voids and the surface of the foil under pressure by passing rollers; forming a binder coating layer on surfaces of the powders by introducing the foil into a binder-tank; drying the binder coating layer; and setting a thickness of the foil by passing pressure rollers.