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Title:
MULTISTAGE HEATING FURNACE
Document Type and Number:
Japanese Patent JP2014077565
Kind Code:
A
Abstract:

To provide a compact multistage heating furnace which reduces an installation area in a factory.

A multistage heating furnace 100 comprises a plurality of heating furnace units 100-1 to 100-10 piled up in a vertical direction. Each heating furnace unit has: an upper heater 102A and a lower heater 101A which are vertically arranged with a heat insulation material 103A placed in between; a support pipe 104A arranged on one end portion of the upper heater 102A in a manner that horizontally extends; a support pipe 104B arranged on the other end portion of the upper heater 102A in a manner that horizontally extends; and a plurality of workpiece support rods 106 which are installed across the support pipes 104A and 104B. A rear surface of a workpiece W1 supported by the workpiece support rod 106 faces opposite to the upper heater 102A. An upper surface of the workpiece W1 faces opposite to the lower heater 101A of the heating furnace unit immediately above.


Inventors:
HAYASHI KOJI
SHIMIZU TAICHI
Application Number:
JP2012000224148
Publication Date:
May 01, 2014
Filing Date:
October 09, 2012
Export Citation:
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Assignee:
TOA KOGYO KK
International Classes:
F27B17/00; C21D1/34; F27D11/02; C21D9/00
Domestic Patent References:
JP3066387U2000-02-18
JP2001241849A2001-09-07
JP2009228943A2009-10-08
JP2005156016A2005-06-16
JP2001317872A2001-11-16
JP3066387U2000-02-18
JP2001241849A2001-09-07
JP2009228943A2009-10-08
Attorney, Agent or Firm:
須藤 克彦