Title:
HOLDING FURNACE FOR SUPPLYING FIXED AMOUNT OF MOLTEN METAL
Document Type and Number:
WIPO Patent Application WO/2006/057179
Kind Code:
A1
Abstract:
A holding furnace for supplying a fixed amount of molten metal for holding molten metal of non-ferrous metal at a predetermined temperature and supplying a fixed amount of molten metal to a casting machine, comprising a molten metal holding chamber having a molten metal supply port, and a pressurizing chamber having an upward sprue. The molten holding chamber and the pressurizing chamber are allowed to communicate through a first openable/closable molten metal channel, and the pressurizing chamber consists of a molten metal outlet section where the sprue is located and a pressurizing section located on the molten holding chamber side. The pressurizing section comprises a means for detecting the upper level and lower level of molten metal in the pressurizing section, and a gas channel communicating with the upper space in the pressurizing section. Tube heaters are arranged, respectively, in the molten metal holding chamber and the pressurizing chamber while being immersed into molten metal in the molten metal outlet section, the molten metal holding chamber and the molten metal outlet section are juxtaposed while holding the pressurizing section between them, the first molten metal channel is formed in the bottom at the pressurizing section, and a second openable/closable molten metal channel communicating with the molten metal outlet section is formed in the bottom at the pressurizing section.
Inventors:
MOCHIZUKI SYUNJI (JP)
MURAKAMI KOUICHI (JP)
MURAKAMI KOUICHI (JP)
Application Number:
PCT/JP2005/020844
Publication Date:
June 01, 2006
Filing Date:
November 14, 2005
Export Citation:
Assignee:
TOUNETSU CO LTD (JP)
MOCHIZUKI SYUNJI (JP)
MURAKAMI KOUICHI (JP)
MOCHIZUKI SYUNJI (JP)
MURAKAMI KOUICHI (JP)
International Classes:
B22D39/00; B22D18/04
Foreign References:
| JP3192623B2 | 2001-07-30 | |||
| JPH11138250A | 1999-05-25 | |||
| JPH09239510A | 1997-09-16 | |||
| JPH08150460A | 1996-06-11 | |||
| JPH11245010A | 1999-09-14 | |||
| JPH11197816A | 1999-07-27 | |||
| JPH08117948A | 1996-05-14 | |||
| JP3392544B2 | 2003-03-31 | |||
| JP2004160507A | 2004-06-10 |
Other References:
See also references of EP 1820585A4
Attorney, Agent or Firm:
Kawamiya, Osamu (IMP Bldg., 3-7, Shiromi 1-chome,, Chuo-ku, Osaka-sh, Osaka, JP)
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