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.

Date of Patent:
Nov. 27, 2007

Filed:

Oct. 24, 2002
Applicants:

Yoshihiro Hirata, Kyoto, JP;

Yoshio Ueda, Kyoto, JP;

Hiroaki Takase, Kyoto, JP;

Kazuaki Suzuki, Kyoto, JP;

Inventors:

Yoshihiro Hirata, Kyoto, JP;

Yoshio Ueda, Kyoto, JP;

Hiroaki Takase, Kyoto, JP;

Kazuaki Suzuki, Kyoto, JP;

Assignee:

Phild Co., Ltd., Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F 9/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

Provide a method and apparatus for producing, in an economical manner, metal powder offering high purity and comprising uniform particle shape and size. Produce metal powder of titanium metal, etc., using an apparatus that comprises a power supply for high-voltage/current discharge, a feeder of metal electrode made of titanium metal, etc., a high-voltage discharge generator equipped with a metal electrode made of titanium, etc., and its counter electrode, a water tank, a water inlet, an outlet for produced metal dispersion solution containing titanium metal, etc., a discharge pump, and an adjunct device for separating/recovering metal powder of titanium metal, etc., from the metal dispersion solution containing titanium metal, etc.


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