Title:
PACKAGING BAG
Document Type and Number:
Japanese Patent JP2021160260
Kind Code:
A
Abstract:
To provide a packaging bag composed of a laminate excellent in interlayer adhesion with a vapor-deposited film, as well as having high gas barrier properties.SOLUTION: A packaging bag is composed of a laminate 50 at least including a substrate 51, a vapor-deposited film 52 and a sealant layer 53. The substrate at least includes a polyethylene resin layer 54 and a surface resin layer 55. The sealant layer is composed of a polyethylene resin. The surface resin layer of the substrate includes a resin material with a melting point 150°C or higher. The vapor-deposited film is disposed on the surface resin layer of the substrate. A drawing process is applied to the substrate.SELECTED DRAWING: Figure 3
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Inventors:
YAMADA KENICHI
Application Number:
JP2020064936A
Publication Date:
October 11, 2021
Filing Date:
March 31, 2020
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
B32B9/00; B32B27/28; B32B27/30; B32B27/32; B32B27/34; B32B27/36; B65D30/02
Domestic Patent References:
| JP2018502743A | 2018-02-01 | |||
| JP2008150539A | 2008-07-03 | |||
| JP2020011415A | 2020-01-23 | |||
| JP2005053223A | 2005-03-03 |
Attorney, Agent or Firm:
Yukitaka Nakamura
Satoru Asakura
Mari Asano
Takaaki Suemori
Satoru Asakura
Mari Asano
Takaaki Suemori