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Title:
DOOR DEVICE, AND HEAT TREATMENT DEVICE COMPRISING DOOR DEVICE
Document Type and Number:
Japanese Patent JP2017032234
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide, at low cost, a door device which can perform stable opening/closing operation for the long term, without impairing the heat treatment performance of a heat treatment furnace.SOLUTION: A door device 13 has a door 22 that opens/closes an entrance 12 or exit 17 of a heat treatment furnace 11, where the door 22 is formed of heat-resistant fiber 24.SELECTED DRAWING: Figure 2

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Inventors:
MINOWA HAJIME
NAKAMURA YOSHIHARU
Application Number:
JP2015154292A
Publication Date:
February 09, 2017
Filing Date:
August 04, 2015
Export Citation:
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Assignee:
NIPPON ELECTRIC GLASS CO
NICHIDEN GLASS KAKO KK
International Classes:
F27D1/18
Domestic Patent References:
JPS5973383U1984-05-18
JPS5413915U1979-01-29
JP2013072638A2013-04-22
JP2000208053A2000-07-28
Attorney, Agent or Firm:
Kunihiko Shiromura
Tsuyoshi Kumano
Takashi Yoshikawa



 
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