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/2023/112360
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, and is characterized in that: the container body 11 has a bottom surface 121, a plurality of lateral surfaces 122, and a flange part 13; an upper surface 131 of the flange part 13 has a step 22 that develops when turn-back pieces 13a and 13b are bonded so as to overlap each other after assembling, and that extends outward from the accommodation part 12 side, the step 22 being reduced when an edge part 31 of the upper turn-back piece is thrusted toward the lower turn-back piece 13b; and the resinous film 3 is substantially flat even over the step 22 at a portion at which the resinous film 3 is coated on the upper surface of the flange part 13 of the container body 11.
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Inventors:
YAMAGUCHI MASARU (JP)
Application Number:
PCT/JP2022/024308
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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