Method and apparatus for the production of metal powder

Details Method and apparatus for the production of metal powder Method and apparatus for the production of metal powder

2007-11-27

2007-11-27

Wyszomierski, George (Department: 1742)

Specialized metallurgical processes, compositions for use therei

Processes

Producing or purifying free metal powder or producing or...

C075S370000

Reexamination Certificate

active

10493903

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.

REFERENCES:
patent: 3171813 (1965-03-01), Inoue
patent: 4731515 (1988-03-01), Savage et al.
patent: 5879518 (1999-03-01), Kuehnle
patent: 7108735 (2006-09-01), Hirata et al.
patent: 63-267431 (1988-11-01), None
patent: 02-166202 (1990-06-01), None
patent: 07-024305 (1995-01-01), None
Satsuta T., et al., “Preparation of metal powders utilizing electric discharge in water,” Journal of the Japan Institute of Metals, vol. 57, No. 6, 1993 pp. 692-698.

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