Title:
SMELTING FURNACE
Document Type and Number:
WIPO Patent Application WO/2010/035471
Kind Code:
A1
Abstract:
A smelting furnace comprises a closed container with inert gas atmosphere, a crucible which is disposed in the closed container and in which a raw material is smelt by induction heating, and a mechanism for cooling the crucible. The mechanism for cooling the crucible comprises a piping part which is provided with an air intake port which communicates with the closed container and flows a gas out from the container and an air blowing-out port for introducing the gas into the closed container, a heat exchange part disposed in the midway of the piping part, and a gas transfer part disposed in the midway of the piping part.
Inventors:
NAITOU, Satoshi (Inc. 2500, Hagisono, Chigasaki-sh, Kanagawa 43, 〒2538543, JP)
内藤聡 (〒43 神奈川県茅ヶ崎市萩園２５００ 株式会社アルバック内 Kanagawa, 〒2538543, JP)
内藤聡 (〒43 神奈川県茅ヶ崎市萩園２５００ 株式会社アルバック内 Kanagawa, 〒2538543, JP)
Application Number:
JP2009/004850
Publication Date:
April 01, 2010
Filing Date:
September 25, 2009
Export Citation:
Assignee:
ULVAC, Inc. (2500, Hagisono Chigasaki-sh, Kanagawa 43, 〒2538543, JP)
株式会社アルバック (〒43 神奈川県茅ヶ崎市萩園２５００ Kanagawa, 〒2538543, JP)
NAITOU, Satoshi (Inc. 2500, Hagisono, Chigasaki-sh, Kanagawa 43, 〒2538543, JP)
株式会社アルバック (〒43 神奈川県茅ヶ崎市萩園２５００ Kanagawa, 〒2538543, JP)
NAITOU, Satoshi (Inc. 2500, Hagisono, Chigasaki-sh, Kanagawa 43, 〒2538543, JP)
International Classes:
F27D9/00; B22D23/00; F27B14/04; F27D7/00; F27D7/04
Attorney, Agent or Firm:
SHIGA, Masatake et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)