Title:
METHOD FOR PRODUCING RESIN CONTAINER AND DEVICE FOR PRODUCING RESIN CONTAINER
Document Type and Number:
WIPO Patent Application WO/2021/060497
Kind Code:
A1
Abstract:
This method for producing a resin container comprises: an injection molding step (S1) for injection molding a preform (20); a temperature-controlling step (S2) for controlling temperature while cooling the preform (20); and a blow molding step (S3) for producing a resin container (30) by blow molding the preform (20) whose temperature has been controlled. In the injection molding step S1, a step part (22) is formed between a neck (21) and a body (23) of the preform (20), and the step part is thicker than at least an engagement groove (21a) of the neck (21).
Inventors:
MISAIZU TOSHIAKI (JP)
Application Number:
PCT/JP2020/036361
Publication Date:
April 01, 2021
Filing Date:
September 25, 2020
Export Citation:
Assignee:
NISSEI ASB MACHINE CO LTD (JP)
International Classes:
B29C49/06; B29C49/64
Domestic Patent References:
| WO2013012067A1 | 2013-01-24 |
Foreign References:
| JP2017109472A | 2017-06-22 | |||
| JP2019147393A | 2019-09-05 |
Attorney, Agent or Firm:
SHIN-EI PATENT FIRM, P.C. (JP)
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