Title:
加熱炉
Document Type and Number:
Japanese Patent JP6946571
Kind Code:
B2
Abstract:
This heating furnace includes a housing having a pair of side walls, a workpiece support material configured to support a workpiece having a flat plate shape in a horizontal posture between the pair of side walls, a planar heater configured to heat the workpiece supported by the workpiece support material from above or below, a power feeding device configured to feed power to the planar heater, and a heater support material configured to support the planar heater in a horizontal posture. The planar heater has a plurality of heating bodies disposed side by side in a conveyance direction and in a left-right direction orthogonal to the conveyance direction in a plan view, the plurality of heating bodies each have a heating wire and a sintered body configured to accommodate the heating wire, include two or more kinds of heating bodies having different dimensions or shapes, and include an intermediate heating body alongside which other heating bodies are disposed at both end portions in the left-right direction, and the power feeding device has a feeding unit configured to feed power to each of the heating bodies from the side wall.
Inventors:
Shinjiro Kuwayama
Tetsuya Irie
Tetsuya Irie
Application Number:
JP2020547934A
Publication Date:
October 06, 2021
Filing Date:
April 11, 2019
Export Citation:
Assignee:
Nittetsu Tex Engineering Co., Ltd.
Showa Iron Works Co., Ltd.
Showa Iron Works Co., Ltd.
International Classes:
F27B17/00; B21D22/20; B21D24/00; C21D1/34; F27D11/02
Domestic Patent References:
| JP2002175868A | ||||
| JP2010054157A | ||||
| JP2015229798A | ||||
| JP3060663U | ||||
| JP2001307861A |
Attorney, Agent or Firm:
Sumio Tanai
Mitsuo Teramoto
Tomoo Katsumata
Hiroshi Yamaguchi
Mitsuo Teramoto
Tomoo Katsumata
Hiroshi Yamaguchi