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Title:
ELECTRIC HEATER DEVICE AND HEAT-TREATMENT FURNACE PROVIDED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2021/166430
Kind Code:
A1
Abstract:
An electric heater device (10) which is attached to the inner side wall of a heat-treatment furnace comprises: a bar (12) in a rod shape; a bar support portion (14) for supporting the ends of the bar (12) on the inner side wall of the furnace; a plurality of hooks (16) that are suspended from the bar (12); and an electric heater (18) that is supported by being hooked on the plurality of hooks (16).

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Inventors:
NAGATA MASATO
NAKAI SHINGO
Application Number:
PCT/JP2020/047999
Publication Date:
August 26, 2021
Filing Date:
December 22, 2020
Export Citation:
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Assignee:
CHUGAI RO KOGYO KAISHA LTD (JP)
International Classes:
F27D11/02
Foreign References:
US4620309A1986-10-28
JPS53124337A1978-10-30
JPS58160790A1983-09-24
JPS62163895A1987-07-20
JPS6045367U1985-03-30
JP2009250548A2009-10-29
JPH06221770A1994-08-12
JP2005282928A2005-10-13
JPS6056025A1985-04-01
Other References:
See also references of EP 4109022A4
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
Download PDF:
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