Title:
LAYERED BODY FOR PACKAGING BAG, PACKAGING BAG, PACKAGING BAG WITH SPOUT, AND PACKAGING BAG WITH CONTENTS AND SPOUT
Document Type and Number:
WIPO Patent Application WO/2023/132361
Kind Code:
A1
Abstract:
This layered body for a packaging bag is used in a packaging bag, a packaging bag with a spout, and a packaging bag with contents and a spout. In this layered body for a packaging bag, a substrate layer (10), an intermediate layer (20), and a sealant layer (30) are layered in this order, the substrate layer (10) is an oriented film comprising a high-density polyethylene, the intermediate layer (20) is a multilayered co-extruded film in which support layers (22, 23) having polyethylene as the main component thereof are layered on both sides of a gas barrier resin layer (21), and the sealant layer (30) is a film that comprises one or more types of polymer selected from ethylene homopolymers or copolymers.
Inventors:
ICHIKAWA TORU (JP)
SHINOZAKI KOUSUKE (JP)
YOSHIKAWA KATSUYUKI (JP)
ITO MASAHIRO (JP)
NAGATA KENJI (JP)
TONG NAIJUN (JP)
SHINOZAKI KOUSUKE (JP)
YOSHIKAWA KATSUYUKI (JP)
ITO MASAHIRO (JP)
NAGATA KENJI (JP)
TONG NAIJUN (JP)
Application Number:
PCT/JP2023/000166
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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