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:
Aug. 16, 2011
Filed:
May. 13, 2003
Toshiaki Shiota, Kyoto, JP;
Ryoichi Noumi, Mino, JP;
Kunihiro Fukui, Kobe, JP;
Masanari Kimoto, Kawanishi, JP;
Toshiaki Shiota, Kyoto, JP;
Ryoichi Noumi, Mino, JP;
Kunihiro Fukui, Kobe, JP;
Masanari Kimoto, Kawanishi, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A porous nickel foil for a negative electrode of an alkaline battery formed by an electrolytic deposition method, wherein the porous nickel foil is flexible and has a thickness of 10-35 μm and a Vickers hardness of 70-130. An electrodeposition drum for producing porous metal foil by an electrolytic deposition method including a drum having a surface onto which metal foil is deposited, a plurality of holes formed in the surface and an insulating resin filled in the holes, wherein the ratio of depth L and diameter D (L/D) of the hole is at least 1 and no clearance, into which deposited metal otherwise cuts in a wedge shape, exists at the boundary between the insulating resin filled in the hole and an opening edge of the hole.