Title:
LAMINATED FILM FOR POUCH, POUCH, AND METHOD FOR MANUFACTURING LAMINATED FILM
Document Type and Number:
WIPO Patent Application WO/2023/203817
Kind Code:
A1
Abstract:
Provided are a laminated film for a pouch, a pouch, and a method for manufacturing said laminated film, wherein the laminated film for a pouch is capable of favorably achieving ease of opening due to a cut guiding line while limiting a degradation in barrier performance. This laminated film (20) for a pouch is obtained by disposing an intermediate layer film (40) between an inner layer film (30) and an outer layer film (50) and forming a cut guiding line (80) thereon, wherein the cut guiding line (80) is constituted by slit sections (81) formed from the outside surface of the intermediate layer film (40) toward the inside surface side of the intermediate layer film (40), and an interposition adhesive section (90) composed of an adhesive interposed while in contact with both of a pair of slit side end surfaces (41), is provided in at least one portion among the slit sections (81) formed in the intermediate layer film (40).
Inventors:
HONGO MASAHIRO (JP)
MIURA TAKASHI (JP)
MATSUNAGA SHIE (JP)
GOTOU OSAMU (JP)
SAEKI MAYUMI (JP)
MIURA TAKASHI (JP)
MATSUNAGA SHIE (JP)
GOTOU OSAMU (JP)
SAEKI MAYUMI (JP)
Application Number:
PCT/JP2023/001491
Publication Date:
October 26, 2023
Filing Date:
January 19, 2023
Export Citation:
Assignee:
TOYO SEIKAN CO LTD (JP)
International Classes:
B65D65/40; B32B3/18; B32B7/022; B32B7/12; B65D75/62
Foreign References:
| JP2020121747A | 2020-08-13 | |||
| JP2019529276A | 2019-10-17 | |||
| JP2001018988A | 2001-01-23 | |||
| US20200325369A1 | 2020-10-15 | |||
| JPS6197149U | 1986-06-21 | |||
| JP2016150772A | 2016-08-22 |
Attorney, Agent or Firm:
FUJIMOTO Nobuo et al. (JP)
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