公开(公告)号：US20230166900A1

公开(公告)日：2023-06-01

申请号：US17916881

申请日：2021-04-08

Applicant: TOPPAN INC.

Inventor： Saho MORITA ,  Takahiro SHIMONO

IPC: B65D81/34 ,  B65D75/00 ,  B65D33/01

CPC classification number: B65D81/3461 ,  B65D33/01 ,  B65D75/008

Abstract: A pouch according to an embodiment is a pouch having an accommodation space that accommodates contents, and including a pair of sheets, and a pair of side seal portions sealed to form the accommodation space, wherein at least one of the pair of side seal portions includes a first seal portion located near the top portion, a second seal portion located near the bottom portion and separated from the first seal portion, and a steam discharge seal portion configured to connect the first and second seal portions, to protrude to the accommodation space side, and to release steam, a portion formed by a first region between the first and second seal portions and a second region surrounded by the first region and the steam discharge seal portion is an unsealed region, and a penetration portion that passes through at least one sheet in a thickness direction is formed in the unsealed region of the at least one sheet.