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Title:
HEAT PROCESSING DEVICE
Document Type and Number:
Japanese Patent JP2010091222
Kind Code:
A
Abstract:

To provide a heat processing device equipped with a door which can be enlarged without lowering the heat shielding characteristic.

An IR furnace 10 comprises a furnace body 12, a door 20, and a driving unit 28. The door 20 comprises a shutter 26 and a main frame 22. The shutter 26 thermally blocks the inside of the furnace body 12 from the outside. The shutter 26 has a plurality of shutter pieces 262 continuously arranged along the length direction of the door 20. The main frame 22 is composed to support the shutter 26 so as to make at least a part of the plurality of the shutter pieces 262 movable in the length direction. The main frame 22 is composed to be connected to the driving unit 28.


Inventors:
Yamamoto, Keiji
Nakatani, Junji
Application Number:
JP2008000263476
Publication Date:
April 22, 2010
Filing Date:
October 10, 2008
Export Citation:
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Assignee:
KOYO THERMO SYSTEM KK
International Classes:
F27B5/06; F27D1/18; F27D7/06; G02F1/13
Domestic Patent References:
JP2004251534A2004-09-09
JP2007010205A2007-01-18
JPS50143152U1975-11-26
JP2004251534A2004-09-09
JP2007010205A2007-01-18
JPS50143152U1975-11-26
Attorney, Agent or Firm:
特許業務法人 楓国際特許事務所
小森 久夫
小澤 壯夫



 
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