Title:
POUCH
Document Type and Number:
WIPO Patent Application WO/2023/120719
Kind Code:
A1
Abstract:
A pouch according to an embodiment is provided with: a pair of stacked sheet parts; and a pair of side seal parts that is provided at both edges extending in a first direction in the pair of sheet parts and sealed so that the pair of sheet parts forms an accommodation space. At least one of the side seal parts has a first seal part that is positioned close to a top part, a second seal part that is positioned close to a bottom part and separated from the first seal part, and a vapor releasing seal part that connects the first and second seal parts. The vapor releasing seal part exhibits a triangular shape having a top part on an accommodation space side, and is symmetrical with respect to a first imaginary line passing through the top part and orthogonal to the first direction. A region surrounded by the vapor releasing seal part is a non-sealed region, and the non-sealed region in at least one of the pair of sheet parts has a penetration part.
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Inventors:
SHIMONO TAKAHIRO (JP)
Application Number:
PCT/JP2022/047717
Publication Date:
June 29, 2023
Filing Date:
December 23, 2022
Export Citation:
Assignee:
TOPPAN INC (JP)
International Classes:
B65D81/34
Domestic Patent References:
| WO2017208864A1 | 2017-12-07 | |||
| WO2013100058A1 | 2013-07-04 |
Foreign References:
| JP2013256323A | 2013-12-26 | |||
| JP2021165170A | 2021-10-14 | |||
| JP2021028235A | 2021-02-25 | |||
| CN108622544A | 2018-10-09 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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