Title:
MOLTEN METAL TREATING AGENT, METHOD OF TREATING MOLTEN METAL, APPARATUS AND METHOD FOR SUPPLYING COVERING GAS FOR MOLTEN METAL
Document Type and Number:
WIPO Patent Application WO/2004/076098
Kind Code:
A1
Abstract:
A molten metal treating agent which comprises a liquid mixture comprising liquefied carbon dioxide and, dissolved therein, 0.01 to 10 mass % of a fluoroketone. The molten metal treating agent is held in a vessel, is vaporized, and is fed as a covering gas for contacting with the surface of a molten metal.
Inventors:
SANUI HIROSHI (JP)
NOMURA YUJI (JP)
OHTA HIDETOSHI (JP)
SEKIHARA SHOJI (JP)
NOMURA YUJI (JP)
OHTA HIDETOSHI (JP)
SEKIHARA SHOJI (JP)
Application Number:
PCT/JP2004/002276
Publication Date:
September 10, 2004
Filing Date:
February 26, 2004
Export Citation:
Assignee:
NIPPON OXYGEN CO LTD (JP)
SANUI HIROSHI (JP)
NOMURA YUJI (JP)
OHTA HIDETOSHI (JP)
SEKIHARA SHOJI (JP)
SANUI HIROSHI (JP)
NOMURA YUJI (JP)
OHTA HIDETOSHI (JP)
SEKIHARA SHOJI (JP)
International Classes:
B22D21/00; (IPC1-7): B22D23/00; B22D21/04
Domestic Patent References:
| WO2001083836A2 | 2001-11-08 |
Foreign References:
| JPH05214384A | 1993-08-24 | |||
| JPH10231499A | 1998-09-02 |
Attorney, Agent or Firm:
Shiga, Masatake (Yaesu Chuo-ku, Tokyo, JP)
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