Title:
循環型電気炉
Document Type and Number:
Japanese Patent JP6840714
Kind Code:
B2
Abstract:
To provide a circulation type electric furnace capable of cooling a to-be-heated object to be heated at a fixed cooling velocity by taking-in the outside gas.SOLUTION: Provided is an electric furnace where a gas is circulated in a duct 6, comprising: a suction port 19 having one or more opening/closing means; and an exhaust port 23 having one or more opening/closing means, in which a heater unit 11, a gas permeable mounting part and a fan 7 are arranged in the process of a circulation passage, comprising means where, by changing the opening areas of the suction port 19 and the exhaust port 23, the gas at the outside of an electric furnace is taken in, and a to-be-heated object 4 is cooled at a desired cooling velocity.SELECTED DRAWING: Figure 1
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Inventors:
Koichiro Takaoka
Application Number:
JP2018228492A
Publication Date:
March 10, 2021
Filing Date:
December 05, 2018
Export Citation:
Assignee:
Sametron Co., Ltd.
International Classes:
F27D9/00; F27B17/00; F27D7/04
Domestic Patent References:
| JP29009194Y1 | ||||
| JP11326301A | ||||
| JP2002243368A | ||||
| JP61040830A | ||||
| JP2009008306A |
Attorney, Agent or Firm:
Nobuo Fukuda