Title:
合成樹脂製容器の製造方法及び合成樹脂製容器
Document Type and Number:
Japanese Patent JP7302467
Kind Code:
B2
Abstract:
A synthetic resin container and method for manufacturing the same, including a container main body molded into a predetermined container shape and a covering layer laminated on an outer peripheral surface side of the container main body. The method includes heating the composite preform to bring the covering material layer into a molten state or a semi-molten state while softening the preform main body to be stretchable, subsequently molding the composite preform into a predetermined container shape by using a blow molding die in which an edge portion formed by providing a step on a cavity inner peripheral surface extends along a predetermined direction, and providing, in the covering material layer to be molded integrally with the preform main body, a thin portion molded by being brought into pressure contact with the edge portion.
Inventors:
Kiyoto Hiromitsu
Hitoshi Fujioka
Souya Yoshida
Yuichi Miyazaki
Yoichi Tadokoro
Hitoshi Fujioka
Souya Yoshida
Yuichi Miyazaki
Yoichi Tadokoro
Application Number:
JP2019232626A
Publication Date:
July 04, 2023
Filing Date:
December 24, 2019
Export Citation:
Assignee:
Toyo Seikan Co., Ltd.
International Classes:
B29C49/22; B29C49/24; B65D1/02
Domestic Patent References:
| JP2016117167A | ||||
| JP201972864A | ||||
| JP2012236629A | ||||
| JP2016120698A |
Foreign References:
| US4966543 |
Attorney, Agent or Firm:
Patent Attorney Corporation Peace International Patent Office