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/2022/195923
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 is provided with 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 is generated 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; and the resinous film 3 has a protrusion part 31 over and across the step 22 at a portion at which the resinous film 3 is coated on the upper surface 131 of the flange part 13 of the container body 11.
Inventors:
YAMAGUCHI MASARU (JP)
NARITA KODAI (JP)
NARITA KODAI (JP)
Application Number:
PCT/JP2021/033662
Publication Date:
September 22, 2022
Filing Date:
September 14, 2021
Export Citation:
Assignee:
TOKAN KOGYO CO LTD (JP)
International Classes:
B65D5/28; B31B50/74
Foreign References:
| JPH10249961A | 1998-09-22 | |||
| JP2015528762A | 2015-10-01 | |||
| JPH06293334A | 1994-10-21 | |||
| JP2019172339A | 2019-10-10 | |||
| JP2019235300A |
Attorney, Agent or Firm:
ABIKO Gen (JP)
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