Title:
パウチ
Document Type and Number:
Japanese Patent JP7095218
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a pouch hardly allowing occurrence of leak of a lot of content through an opening formed due to detachment of a seal.SOLUTION: A pouch 1 comprises: a storage space 14 capable of storing a content; a seal part 20 including a first side seal part 21 arranged along brims 11B, 12B of a pair of sheets 11, 12, and a steam-permeable seal part 30 having a shape recessed toward the storage space 14 side; and an unsealed part 80, which is a part of the pair of the sheets 11, 12, and a portion surrounded by the steam-permeable seal part 30 and not sealed. The steam-permeable seal part 30 comprises: a tip part 40 configured to be peelable by a stress concentration which may occur when a pressure in the storage space 14 is raised; and a connection part 50 for connecting the tip part 40 and the steam-permeable seal part 30. The connection part 50 includes a peeling restriction part 61 for restricting the steam-permeable seal part 30 from peeling progressing from the tip part 40 side to the steam-permeable seal part 30 side.SELECTED DRAWING: Figure 1
Inventors:
Takahiro Shimono
Application Number:
JP2016111275A
Publication Date:
July 05, 2022
Filing Date:
June 02, 2016
Export Citation:
Assignee:
Toppan Printing Co., Ltd.
International Classes:
B65D81/34; B65D33/01
Domestic Patent References:
| JP2007112488A | ||||
| JP2016074457A | ||||
| JP2013151317A |
Foreign References:
| WO2013133092A1 |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda