HEATER UNIT AND CARBURIZATION FURNACE

Title:

HEATER UNIT AND CARBURIZATION FURNACE

Document Type and Number:

Japanese Patent JP2016126899

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a heater unit for a carburization furnace in which a heat-insulating material is prevented from being lifted by suppressing the generation of sooting on an outer wall side surface of the heat-insulating material and productivity is improved by suppressing the frequency of burn-out operation.SOLUTION: A heater unit 10 for a carburization furnace includes: a heater 20 for heating the furnace atmosphere; and a heater support member 30 for reflecting radiation heat of the heater 20. A heating part of the heater 20 is attached to the heater support member 30 and a heating element 21 constituting the heating part is formed in a bellows shape.SELECTED DRAWING: Figure 3

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Inventors:

YAMADA TSUNETAKA

Application Number:

JP2014266381A

Publication Date:

July 11, 2016

Filing Date:

December 26, 2014

Export Citation:

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Assignee:

DOWA THERMOTECH KK

International Classes:

H05B3/66; C23C8/20; F27D11/02; H05B3/00; H05B3/06

Domestic Patent References:

JPS5392312A	1978-08-14
JP2011124048A	2011-06-23
JP2002260831A	2002-09-13
JPS5049044U	1975-05-14
JPS56104091U	1981-08-14
JP2013020854A	2013-01-31

Foreign References:

WO2001045464A1	2001-06-21
CN2893595Y	2007-04-25

Attorney, Agent or Firm:

Koji Hagiwara
Tetsuo Kanamoto
Miaki Kametani

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