| 摘要 |
A cooling chamber is provided which cools workpieces that have been heated. Cooling units are provided in the cooling chamber, and respectively include: a conveyor which simultaneously and uniserially conveys a plurality of workpieces; a mist cooling device which is disposed so as to surround the conveyance path of the conveyor and which supplies mist-like cooling liquid; and a gas cooling device which is disposed so as to surround the conveyance path of the conveyor and which supplies cooling gas.
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