Document Type and Number:
Japanese Patent JPWO2021025127
Kind Code:
A1
Abstract:
There is provided a cooling mold unit for cooling a preform that has been injection-molded, the preform having a bottomed shape and made of a resin, the cooling mold unit including a core mold having an outer shape corresponding to an inner shape of the preform, and being insertable into the preform, in which an exhaust port configured to discharge air from an inside of the preform through an inside of the core mold is provided at a tip end portion of the core mold facing a bottom portion of the preform.
Application Number:
JP2021537386A
Publication Date:
February 11, 2021
Filing Date:
August 06, 2020
Export Citation:
Domestic Patent References:
| JPS60212324A | 1985-10-24 | |||
| JPS5450061U | 1979-04-06 | |||
| JPH0449023A | 1992-02-18 | |||
| JP2002509817A | 2002-04-02 |