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Title:
LANCE PIPE
Document Type and Number:
WIPO Patent Application WO/2010/143536
Kind Code:
A1
Abstract:
Provided is a lance pipe that can be used economically. The lance pipe (1) introduces a injection gas into molten aluminum, and is characterized in that the tip of a gas introduction pipe (2) is provided with a detachable porous tip section (3) and the material strength of the gas introduction pipe (2) is greater than that of the porous tip section (3) by a factor of 20 to 500. Preferably, the gas introduction pipe (2) and the porous tip section (3) are provided with and joined together with a screwing thread section (4).

Inventors:
TSUYAMA, Tatsumi (3-1, Asamuta-cho, Omuta-sh, Fukuoka 17, 〒8360817, JP)
津山 辰己 (〒17 福岡県大牟田市浅牟田町3-1 三井金属鉱業株式会社セラミックス事業部内 Fukuoka, 〒8360817, JP)
Application Number:
JP2010/058906
Publication Date:
December 16, 2010
Filing Date:
May 26, 2010
Export Citation:
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Assignee:
MITSUI MINING & SMELTING CO.,LTD. (11-1, Osaki 1-chome Shinagawa-k, Tokyo 84, 〒1418584, JP)
三井金属鉱業株式会社 (〒84 東京都品川区大崎1丁目11-1 Tokyo, 〒1418584, JP)
TSUYAMA, Tatsumi (3-1, Asamuta-cho, Omuta-sh, Fukuoka 17, 〒8360817, JP)
International Classes:
C22B21/06; B22D1/00; C04B38/00; C22B9/05; F27D3/16
Foreign References:
JPS6386825A1988-04-18
JPS6197161A1986-05-15
JPH05302131A1993-11-16
JP2000345249A2000-12-12
Attorney, Agent or Firm:
TAKEUCHI, ICHIZAWA & ASSOCIATES (6F. Akasaka 2-chome Annex, 19-8 Akasaka 2-chome, Minato-k, Tokyo 52, 〒1070052, JP)
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