Atmospheric gas generator for heat treatment
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United States of America Patent
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-
Dec 26, 2000
Grant Date -
N/A
app pub date -
Sep 11, 1998
filing date -
Sep 19, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An atmospheric gas generator for heat treatment includes a heat treatment furnace for performing heat treatment of a metal material; an alcohol supply device for supplying alcohol to the heat treatment furnace; a nitrogen gas supply device for supplying nitrogen gas to the heat treatment furnace; and a nozzle having an end protruding into the heat treatment furnace. An atmospheric gas is generated by introducing the alcohol supplied by the alcohol supply device and the nitrogen gas supplied by the nitrogen gas supply device into the heat treatment furnace via the nozzle. The nozzle includes an alcohol introduction pipe, a nitrogen gas introduction pipe, and a venturi section provided in connection with a tip of the alcohol introduction pipe and with a tip of the nitrogen gas introduction pipe.
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