Patent ID: 11919221
Assignee: NISSEI ASB MACHINE CO., LTD.
Field: Other special machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A resin container manufacturing apparatus comprising:
an injection molding station configured to injection-mold a preform;
a temperature adjustment station configured to adjust a temperature of the injection-molded preform; and
a blow molding station configured to blow-mold the temperature-adjusted preform,
wherein the temperature adjustment station has a multistage structure where an uppermost stage has the highest temperature, and a mold surface temperature of a lower stage other than the uppermost stage is lower than a glass transition temperature of the preform by 10° C. or more,
the temperature adjustment station includes a temperature pot,
the temperature pot includes:
an inner surface formed as one surface without a boundary; and
an outer surface including a groove portion formed between portions corresponding to the stages of the temperature adjustment station, and

the groove portion is formed to have a width of 1 mm or greater and 5 mm or smaller, along a direction in which the preform is inserted into the temperature pot.