VACUUM HEAT TREATMENT FURNACE

PROBLEM TO BE SOLVED: To sufficiently reduce the treatment unevenness of a treated object even when the flow velocity distribution of treatment gas in a furnace is uneven. SOLUTION: This vacuum heat treatment furnace for leading the treatment gas into the evacuated furnace to apply heat treatment to...

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Bibliographic Details
Main Authors HORI SATORU, INUZUKA SHINOBU, MIYAJIMA TAKASHI
Format Patent
LanguageEnglish
Published 18.03.2004
Edition7
Subjects
BLASTING
DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE
FURNACES
FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL
HEATING
KILNS
LIGHTING
MECHANICAL ENGINEERING
OPEN SINTERING OR LIKE APPARATUS
OVENS
RETORTS
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To sufficiently reduce the treatment unevenness of a treated object even when the flow velocity distribution of treatment gas in a furnace is uneven. SOLUTION: This vacuum heat treatment furnace for leading the treatment gas into the evacuated furnace to apply heat treatment to the treated object is provided with a frame 61 placing the treated object M and vertically movable by a lifting rod 6 in the furnace. During heat treatment, the lifting rod 6 is vertically moved by a drive shaft 72 to periodically move the frame 61 up and down in a reaction chamber CR, and simultaneously the lifting rod 6 is rotated by a motor 64. COPYRIGHT: (C)2004,JPO
Bibliography:Application Number: JP20020248750