Title:
PACKAGING BAG LAMINATE, PACKAGING BAG, SPOUTED PACKAGING BAG, AND CONTENT-FILLED SPOUTED PACKAGING BAG
Document Type and Number:
WIPO Patent Application WO/2023/132365
Kind Code:
A1
Abstract:
According to the present invention, a packaging bag laminate (1) for a packaging bag, a spouted packaging bag, and a content-filled spouted packaging bag is formed by layering, in order, a base material layer (10), an intermediate layer (20), and a sealant layer (30), the base material layer (10) being a stretched film that comprises polypropylene, the intermediate layer (20) being a multilayer coextruded film that is formed by layering support layers (22, 23) that include a polyolefin as a principal component on either side of a gas barrier resin layer (21), and the sealant layer (30) being a film that comprises at least one type of homopolymer or copolymer of ethylene.
Inventors:
ICHIKAWA TORU (JP)
SHINOZAKI KOUSUKE (JP)
YOSHIKAWA KATSUYUKI (JP)
MORI TAKAMASA (JP)
ITO MASAHIRO (JP)
SHINOZAKI KOUSUKE (JP)
YOSHIKAWA KATSUYUKI (JP)
MORI TAKAMASA (JP)
ITO MASAHIRO (JP)
Application Number:
PCT/JP2023/000186
Publication Date:
July 13, 2023
Filing Date:
January 06, 2023
Export Citation:
Assignee:
HOSOKAWA YOKO KK (JP)
International Classes:
B32B27/32; B32B27/28; B65D30/02; B65D33/38; B65D65/40
Foreign References:
| JPH11320739A | 1999-11-24 | |||
| JP2017141061A | 2017-08-17 | |||
| JP2019031318A | 2019-02-28 | |||
| JP2011230798A | 2011-11-17 | |||
| JP2020200062A | 2020-12-17 |
Attorney, Agent or Firm:
NISHIZAWA Kazuyoshi et al. (JP)
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