Title:
包装袋
Document Type and Number:
Japanese Patent JP6788713
Kind Code:
B2
Abstract:
To provide a packaging bag capable of improving peelability at a steam release seal part.SOLUTION: A packaging bag of this invention includes a seal part formed by sealing films together, and the seal part peels off due to the vapor pressure generated inside, and the steam is released to the outside, the packaging bag of this invention is characterized in that the seal part includes a steam release seal part capable of releasing the steam to the outside, and the steam release seal part includes a thin part thinner than other parts of the steam release seal part.SELECTED DRAWING: Figure 6
Inventors:
Takashi Miyashita
Application Number:
JP2019154024A
Publication Date:
November 25, 2020
Filing Date:
August 26, 2019
Export Citation:
Assignee:
Kyoraku Co., Ltd.
Takashi Miyashita
Nafco Company Limited
Takashi Miyashita
Nafco Company Limited
International Classes:
B65D77/38; B65D81/34
Domestic Patent References:
| JP2013086871A | ||||
| JP2007238165A | ||||
| JP2004352295A | ||||
| JP2011523923A |
Attorney, Agent or Firm:
sk patent corporation
Akihiko Okuno
Hiroyuki Ito
Akihiko Okuno
Hiroyuki Ito