Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
HEAT TREATMENT FURNACE
Document Type and Number:
Japanese Patent JP2019190801
Kind Code:
A
Abstract:
To provide a heat treatment furnace provided with opening-closing dampers capable of smoothing the flow of a cooling fluid.SOLUTION: A heat treatment furnace 10 heat-treating a workpiece comprises: a heat treatment chamber 2 arranged with the workpiece to be heat-treated; a cooling fan 3 circulating a cooling fluid cooling the workpiece in the furnace; and opening-closing dampers 4, 5 changing the cooling flow of the cooling fluid. The opening-closing dampers 4, 5 are provided so as to have an angle to an opposing wall face 23a of the heat treatment chamber arranged so as to oppose to the cooling fan 3 in the opening positions 4a, 5a of the opening-closing dampers 4, 5.SELECTED DRAWING: Figure 1

Inventors:
HATAKEYAMA TERUFUMI
Application Number:
JP2018087403A
Publication Date:
October 31, 2019
Filing Date:
April 27, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
CHUGAI RO KOGYO KAISHA LTD
International Classes:
F27B5/16; F27D7/04
Domestic Patent References:
JPH05230528A1993-09-07
JPS60152616A1985-08-10
JPH0573492U1993-10-08
Attorney, Agent or Firm:
Takuji Yamada
Yasushi Ohata
Yukino Okunishi