Title:
METHOD OF PRODUCING AND SUPPLYING ALUMINUM ALLOY AND DEVICE FOR PRODUCING ALUMINUM ALLOY
Document Type and Number:
WIPO Patent Application WO/2001/098549
Kind Code:
A1
Abstract:
An aluminum alloy producing device, wherein an exhaust system for exhausting the inside of a purge chamber and a nonoxidizing gas inlet system for feeding nonoxidizing gas are connected to the purge chamber, the inside of the purge chamber where the exchange of molten metal is performed being held airtight, the exhaust system comprises at least one unit of vacuum pump, and the nonoxidizing gas inlet system also has a function to pressurize the inside of the purge chamber, whereby the safety at the time of supply of the molten metal and the productivity can be increased.
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Inventors:
KODAMA TORU (JP)
ABE TSUYOSHI (JP)
ABE TSUYOSHI (JP)
Application Number:
PCT/JP2001/005374
Publication Date:
December 27, 2001
Filing Date:
June 22, 2001
Export Citation:
Assignee:
HOEI SHOKAI CO LTD (JP)
KODAMA TORU (JP)
ABE TSUYOSHI (JP)
KODAMA TORU (JP)
ABE TSUYOSHI (JP)
International Classes:
B22D17/30; B22D39/04; B22D39/06; B22D41/12; (IPC1-7): C22B21/00; B22D1/00; C22C1/02
Foreign References:
| JPH11256251A | 1999-09-21 | |||
| JPH09316558A | 1997-12-09 | |||
| JPH06145832A | 1994-05-27 | |||
| JPH0741879A | 1995-02-10 | |||
| JPH08134557A | 1996-05-28 | |||
| JPH11320083A | 1999-11-24 | |||
| JPH11323449A | 1999-11-26 | |||
| JPH0428828A | 1992-01-31 |
Attorney, Agent or Firm:
Omori, Junichi (2-13-7 Minamiaoyama Minato-ku, Tokyo, JP)
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