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:
Feb. 07, 2006
Filed:
Dec. 17, 2003
Hiroshi Fukunaga, Suita, JP;
Mitsuhiro Kishimi, Kyoto, JP;
Masao Morishima, Osaka, JP;
Toshihiko Yamashita, Osaka, JP;
Hiroshi Fukunaga, Suita, JP;
Mitsuhiro Kishimi, Kyoto, JP;
Masao Morishima, Osaka, JP;
Toshihiko Yamashita, Osaka, JP;
Hitachi Maxell, Ltd., Osaka, JP;
Kushibe Manufacturing Co., Ltd., Osaka, JP;
Abstract
A metallic porous body includes a number of protrusions formed on obverse and reverse sides of a metal sheet so as to protrude alternately with one another; each of the protrusions being formed into an truncated-shape wherein an opening portion punched out in the direction from the upper-side bottom to the lower-side bottom is formed in the upper-side bottom of each protrusion, and a vertical distance (d) between the upper-side bottom on the obverse side and the upper-side bottom on the reverse side, and a height (e) of a punched portion have a relation: 0.3<e/d<0.9, thereby attaining a metallic porous body without a burr or a edged convex portion on its outside surface, with a large number of fine pores arranged at fine pitch and a light-weight and robust skeleton.