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Title:
TWO-STAGE TYPE HEATING FURNACE
Document Type and Number:
Japanese Patent JP2014077569
Kind Code:
A
Abstract:

To reduce manufacturing cost of a two-stage type heating furnace.

A two-stage type heating furnace 10 includes a lower part heater 2 disposed on a base 1, a first workpiece supporter 3 disposed on the lower part heater 2, a second workpiece supporter 4 disposed on the first workpiece supporter 3, and an upper part heater 6 disposed on the second workpiece supporter 4 and attached to an upper wall 5. A workpiece W1 is disposed on the first workpiece supporter 3 in a first stage, and a second workpiece W2 is disposed on the second workpiece supporter 4 in a second stage. The workpieces W1, W2 are heated in a position sandwiched between the lower part heater 2 and the upper part heater 6.


Inventors:
HAYASHI KOJI
SHIMIZU TAICHI
Application Number:
JP2012000224196
Publication Date:
May 01, 2014
Filing Date:
October 09, 2012
Export Citation:
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Assignee:
TOA KOGYO KK
International Classes:
F27B9/02; B21D24/00; F27D11/02; F27B9/22
Domestic Patent References:
JP2002277167A2002-09-25
JPH10311686A1998-11-24
JP2004263919A2004-09-24
JP2001317872A2001-11-16
Attorney, Agent or Firm:
須藤 克彦