Title:
CONTAINER
Document Type and Number:
WIPO Patent Application WO/2024/042957
Kind Code:
A1
Abstract:
The present invention provides a container in which the tip end part of a barrel part is closed by a laminated film molded body, wherein the formation of wrinkles in the laminated film molded body is suppressed. A tip end part of a barrel part 2 of a container 1 is closed by a laminated film molded body 3 that includes a resin layer 11, 12 and a barrier layer 13. Provided to the laminated film molded body 3 is a shoulder portion 3b that protrudes to the tip end side while diminishing in diameter from a circumferential side part that is connected with the barrel part 2. A plurality of striations 31 that are in the form of recessed grooves or protruding ridges extending from the vicinity of the circumferential side part 3a to the tip end side are formed in the shoulder portion 3b in a radial manner.
Inventors:
TANAKA YOJI (JP)
Application Number:
PCT/JP2023/027004
Publication Date:
February 29, 2024
Filing Date:
July 24, 2023
Export Citation:
Assignee:
POLYMER SYSTEMS CO LTD (JP)
International Classes:
B65D35/10; B65D35/12
Foreign References:
| JP2021195135A | 2021-12-27 | |||
| JPS498565U | 1974-01-24 | |||
| JPS4732753U | 1972-12-12 | |||
| JPS6290335U | 1987-06-09 | |||
| JP2019206356A | 2019-12-05 |
Attorney, Agent or Firm:
YOUSEN PATENT ATTORNEYS AND ASSOCIATES (JP)
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