Title:
ASSEMBLED PAPER CONTAINER, METHOD FOR MANUFACTURING ASSEMBLED PAPER CONTAINER, AND DEVICE FOR MANUFACTURING ASSEMBLED PAPER CONTAINER
Document Type and Number:
WIPO Patent Application WO/2023/112361
Kind Code:
A1
Abstract:
[Problem] To provide an assembled paper container that can suppress leaking or oozing of accommodated contents from an accommodation part of a container body. [Solution] An assembled paper container 1 comprises a container body 11 having an accommodation part 12, and a resinous film 3 coated on an inner surface of the container body 11, the assembled paper container 1 being characterized in that: the container body 11 has a bottom surface 121, a plurality of lateral surfaces 122, and a flange part 13; on an upper surface of the flange part 13, an upper folded-back piece 13a configuring a tip part of a step 22 is pressed on the upper surface of a lower folded-back piece 13b, the step 22 being generated when the folded-back pieces 13a and 13b are bonded so as to overlap each other after assembly, and extending outward from the accommodation part 12 side; a rear end that continues to this tip part has the upper folded-back piece 13a pushed into the lower folded-back piece 13b side, shrinking the step 22; and the resinous film 3 is also roughly flat above the step 22.
Inventors:
YAMAGUCHI MASARU (JP)
Application Number:
PCT/JP2022/024309
Publication Date:
June 22, 2023
Filing Date:
June 17, 2022
Export Citation:
Assignee:
TOKAN KOGYO CO LTD (JP)
International Classes:
B65D5/20; B31D5/02; B65D5/56
Foreign References:
| JPH11138663A | 1999-05-25 | |||
| JPH07228383A | 1995-08-29 | |||
| JPH1128773A | 1999-02-02 | |||
| US4718596A | 1988-01-12 | |||
| JP2000255562A | 2000-09-19 | |||
| JPH06293334A | 1994-10-21 | |||
| JP2019172339A | 2019-10-10 |
Attorney, Agent or Firm:
ABIKO Gen (JP)
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