US 11,835,286 B2
Tank cooling apparatus
Masateru Takayanagi, Saitama (JP); Ryotaro Toyofuku, Saitama (JP); Fumihiro Tokumitsu, Saitama (JP); Takuya Masada, Saitama (JP); Tetsuya Nagashita, Saitama (JP); and Yuichi Kato, Saitama (JP)
Assigned to Yachiyo Industry Co., Ltd., Sayama (JP)
Appl. No. 18/031,779
Filed by Yachiyo Industry Co., Ltd., Sayama (JP)
PCT Filed Aug. 17, 2021, PCT No. PCT/JP2021/029996
§ 371(c)(1), (2) Date Apr. 13, 2023,
PCT Pub. No. WO2022/079996, PCT Pub. Date Apr. 21, 2022.
Claims priority of application No. 2020-172326 (JP), filed on Oct. 13, 2020.
Prior Publication US 2023/0272960 A1, Aug. 31, 2023
Int. Cl. F25D 17/02 (2006.01); B60K 15/03 (2006.01); B29C 49/66 (2006.01); B29C 49/64 (2006.01)
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
OG exemplary drawing
 
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.