Title:
二重構造容器の製造方法
Document Type and Number:
Japanese Patent JP7404148
Kind Code:
B2
Abstract:
To enable inflow of air into a gap between an outer container and an inner container not to be prevented in a double structure container having the outer container that forms an outer shell of the container and the inner container that shrinks and is deformed as a stored content is reduced, and that includes a storage part detachable from the outer container.SOLUTION: An inner mouth part 31 is held on a radially inner side of a mouth part 21 of an external preform 20 with a predetermined space so that a ventilation path H is formed, and when blowing and molding the internal preform 30 inserted into the inner side of the external preform 20 integrally with the external preform 20, a portion where an internal preform 30 is expanded, is heated from inside to be shrunk so as to be separated from a portion where the external preform 20 is extended, thereby, a gap G is formed between at least a diameter expanding start area 21c of an outer container 2 and a storage part 32 of an inner container 3.SELECTED DRAWING: Figure 6
Inventors:
Sho Ishikawa
Atsushi Kazama
Atsushi Kazama
Application Number:
JP2020079736A
Publication Date:
December 25, 2023
Filing Date:
April 28, 2020
Export Citation:
Assignee:
Mebius Packaging Co., Ltd.
International Classes:
B65D1/02
Domestic Patent References:
| JP2016216081A | ||||
| JP11254515A | ||||
| JP201883657A |
Foreign References:
| US5054267 |
Attorney, Agent or Firm:
Patent Attorney Corporation Peace International Patent Office