Title:
PRODUCTION METHOD FOR POROUS METAL BODY
Document Type and Number:
WIPO Patent Application WO/2001/004367
Kind Code:
A1
Abstract:
A production method for a metal body, comprising (1) a step of keeping under a reduced pressure a metal material within a temperature range of normal temperature to less than a metal melting temperature in a sealed container to thereby degas the metal material, (2) a step of introducing a gas into the sealed container to melt the metal material under pressure and dissolve the gas into the molten metal, and (3) a step of cooling and solidifying the molten metal, with a gas pressure and a molten metal temperature in the sealed container controlled, to thereby form a porous metal body.
Inventors:
NAKAJIMA HIDEO (JP)
Application Number:
PCT/JP2000/004567
Publication Date:
January 18, 2001
Filing Date:
July 10, 2000
Export Citation:
Assignee:
NAKAJIMA HIDEO (JP)
International Classes:
B22D11/00; B22D11/14; C21C1/08; B22D25/00; B22D27/13; C22C1/08; C22B9/04; (IPC1-7): C22C1/08; C22B9/04
Foreign References:
| JPS5624693B2 | 1981-06-08 | |||
| JPH0559462A | 1993-03-09 | |||
| JPH10158761A | 1998-06-16 | |||
| JPH1088254A | 1998-04-07 | |||
| JPH0317236A | 1991-01-25 | |||
| JPH03294437A | 1991-12-25 | |||
| JP2000239760A | 2000-09-05 |
Other References:
See also references of EP 1231287A4
Attorney, Agent or Firm:
Saegusa, Eiji (Doshomachi Chuo-ku Osaka-shi, Osaka, JP)
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