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Title:
PRODUCTION METHOD FOR CARBON MATERIAL USING CRUCIBLE
Document Type and Number:
WIPO Patent Application WO/2016/117616
Kind Code:
A1
Abstract:
In order to produce a carbon material having high purity, this carbon material production method comprises: a step in which a crucible (10) comprising a container and a lid is prepared, said container including a cylindrical body section and a floor section covering one end of the body section and said lid including a cylindrical section and a disc section covering one end of the cylindrical section; a step in which raw material is housed in the crucible (10); a step in which a graphite tube (20) is heated, said graphite tube arranged such that the axial direction thereof is horizontal; and a step in which the crucible (10) having the raw material housed therein is inserted inside the graphite tube (20) such that the axial direction of the body section thereof is parallel to the axial direction of the graphite tube (20). A male screw is formed in an outer circumferential surface of the body section and a female screw that is fastened to the male screw is formed in the inner circumferential surface of the cylindrical section. The outer diameter of the lid is equal to the outer diameter of the container and the disc section has a through hole.

Inventors:
NAKAMURA, Junichi (Ltd. Kyoto Plant 3-26, Osadano-cho, Fukuchiyama-sh, Kyoto 53, 〒6200853, JP)
ARAKAWA, Eigo (Ltd. Kyoto Plant 3-26, Osadano-cho, Fukuchiyama-sh, Kyoto 53, 〒6200853, JP)
Application Number:
JP2016/051603
Publication Date:
July 28, 2016
Filing Date:
January 20, 2016
Export Citation:
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Assignee:
SEC CARBON, LTD. (6th Floor, Amagasaki Front Bldg. 2-6, Shioe 1-chome, Amagasaki-sh, Hyogo 76, 〒6610976, JP)
International Classes:
C01B31/02; F27B14/10
Domestic Patent References:
WO2011102473A12011-08-25
Foreign References:
JPH10310774A1998-11-24
JP2000211909A2000-08-02
JP2004190871A2004-07-08
JP2001114506A2001-04-24
JPS63129006A1988-06-01
JPS61213371A1986-09-22
JP2004223360A2004-08-12
Other References:
See also references of EP 3248938A4
Attorney, Agent or Firm:
UEBA, Hidetoshi et al. (INTELIX Patent & Law Firm, Dojima Axis Building 2-28, Dojimahama 2-chome, Kita-ku, Osaka-sh, Osaka 04, 〒5300004, JP)
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