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Title:
HEAT TREATMENT FURNACE
Document Type and Number:
Japanese Patent JP2014196854
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a heat treatment furnace capable of sufficiently closing a passing port for a treated object which is formed between heat treatment chambers.SOLUTION: In a heat treatment furnace for heat treating a treated object, a passing port through which the treated object passes is formed on a partition wall provided in a furnace body. The heat treatment furnace further includes a partition door for opening and closing the passing port, a storage part for storing the partition door in opening of the passing port, and a lifting and lowering mechanism for lifting and lowering the partition door. The partition door is supported by the lifting and lowering mechanism via a connection member fixed on the partition door, a position adjusting mechanism which holds the connection member to be movable only in a prescribed range, and a supporting member for supporting the position adjusting mechanism.

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Inventors:
YAMADA TSUNETAKA
Application Number:
JP2013071865A
Publication Date:
October 16, 2014
Filing Date:
March 29, 2013
Export Citation:
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Assignee:
DOWA THERMOTECH KK
International Classes:
F27B9/30; C21D1/06; C21D1/74; C23C8/22; F27B9/02; F27B9/04; F27D7/06
Domestic Patent References:
JP2008209060A2008-09-11
JPH0411398U1992-01-30
JP2006133063A2006-05-25
JPS60169513A1985-09-03
JPH05239558A1993-09-17
JP2004163095A2004-06-10
Attorney, Agent or Firm:
Yasushi Hagiwara
Tetsuo Kanamoto
Yoshiaki Kameya
Kenji Wada



 
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