CONTINUOUS HEAT TREATMENT FURNACE
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United States of America Patent
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Issued Date -
Mar 18, 2010
app pub date -
Sep 15, 2009
filing date -
Sep 18, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides a continuous heat treatment furnace including: a heating chamber heating a treatment object in an inert gas atmosphere; a front chamber provided at one end of the heating chamber; and a first cooling chamber cooling the treatment object in an inert gas atmosphere, a vacuum purge chamber, and a second cooling chamber cooling the treatment object in an oxidizing gas atmosphere, which are connected in this order to the other end of the heating chamber, in which the treatment object transferred from the front chamber to the heating chamber is subjected to the heating in the heating chamber, and then subjected to one cooling selected from the cooling in the inert gas atmosphere in the first cooling chamber and the cooling in the oxidizing gas atmosphere in the second cooling chamber depending on a type of the treatment object.
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