Vacuum heat treatment device
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United States of America Patent
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Mar 28, 2017
Grant Date -
Oct 2, 2014
app pub date -
Jun 16, 2014
filing date -
Dec 28, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
The vacuum heat treatment device includes: a guide plate used to guide a cooling medium supplied by a cooling unit, into a heat-insulating container through one of at least two openings of the heat-insulating container in a state where the two openings of the heat-insulating container are opened; and a movement mechanism used to move the guide plate so that at least part of the guide plate is inserted into a movement area of a cover portion in a state where the two openings of the heat-insulating container are opened and so that the guide plate is retracted from the movement area of the cover portion before the cover portion is moved in order to close the two openings of the heat-insulating container.
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