Title:
MULTILAYER BODY AND PACKAGING BAG
Document Type and Number:
WIPO Patent Application WO/2023/190903
Kind Code:
A1
Abstract:
The present invention provides a multilayer body which comprises at least a stretched base material and a sealant layer, wherein: the stretched base material comprises at least a polyolefin layer; the sealant layer contains a polyolefin as a main component; the multilayer body comprises a heat-generating resin layer that contains, as a main component, a heteroatom-containing resin which generates heat upon absorption of laser radiation; and the heat-generating resin layer is positioned at least between the stretched base material and the sealant layer or on a surface of the stretched base material, the surface being on the reverse side of the sealant layer-side surface, in the stretched base material.
Inventors:
ISHIKAWA SHUN (JP)
KOUNO SHINICHIRO (JP)
TAKASUGI YUYA (JP)
NAKADA KIYOSHI (JP)
YAMADA KENICHI (JP)
KOUNO SHINICHIRO (JP)
TAKASUGI YUYA (JP)
NAKADA KIYOSHI (JP)
YAMADA KENICHI (JP)
Application Number:
PCT/JP2023/013257
Publication Date:
October 05, 2023
Filing Date:
March 30, 2023
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
B32B27/32; B32B9/00; B32B27/00; B65D65/40
Foreign References:
| JP2021054076A | 2021-04-08 | |||
| JP2021054078A | 2021-04-08 | |||
| JP2020203405A | 2020-12-24 | |||
| JP2020157722A | 2020-10-01 | |||
| JP2020157719A | 2020-10-01 | |||
| JP2022047354A | 2022-03-24 | |||
| JP2022030077A | 2022-02-18 | |||
| JP2010058839A | 2010-03-18 |
Attorney, Agent or Firm:
MIYAJIMA Manabu et al. (JP)
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