CPC F25D 17/02 (2013.01) [B29C 49/66 (2013.01); B60K 15/03 (2013.01); B29C 2049/6606 (2022.05); B29C 2049/6661 (2013.01); B60K 2015/03493 (2013.01)] | 9 Claims |
1. A cooling apparatus for cooling a hollow tank made of a thermoplastic synthetic resin, the cooling apparatus comprising:
a pair of movable frames provided to be movable relative to each other so as to clamp the tank;
multiple contact members provided on each of the pair of movable frames and each having a contact surface configured to contact an outer surface of the tank;
a cooling liquid supply passage provided with multiple cooling liquid supply ports that respectively open in the contact surfaces of the contact members to supply a cooling liquid toward the outer surface of the tank; and
a cooling liquid supply device that supplies the cooling liquid to the cooling liquid supply passage,
wherein each of the contact surfaces is provided with grooves extending from a corresponding one of the cooling liquid supply ports to an outer edge of the contact surface.
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