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:
Jul. 15, 2014
Filed:
Oct. 02, 2008
Hiroyuki Ochiai, Tokyo, JP;
Mitsutoshi Watanabe, Tokyo, JP;
Takashi Furukawa, Tokyo, JP;
Hiroki Yoshizawa, Tokyo, JP;
Yukihiro Shimoda, Tokyo, JP;
Sadao Doi, Kochi, JP;
Hiroyuki Ochiai, Tokyo, JP;
Mitsutoshi Watanabe, Tokyo, JP;
Takashi Furukawa, Tokyo, JP;
Hiroki Yoshizawa, Tokyo, JP;
Yukihiro Shimoda, Tokyo, JP;
Sadao Doi, Kochi, JP;
IHI Corporation, Tokyo, JP;
Abstract
A cutting instrument has a cutting blade portion formed with a skin made of an electrode material or a reaction product of the electrode material, the electrode material having been molten by pulse discharges induced between the cutting blade portion and an electrode in a machining liquid or gas, having as the electrode one of a mold molded from powder of a kind or powder of a mixture of kinds out of a metal or metals, a metal compound or metal compounds, and a ceramic or ceramics, and a heat-treated mold being the mold as heat-treated.