Title:
GAS BARRIER LAYERED BODY AND PACKAGING BAG
Document Type and Number:
WIPO Patent Application WO/2023/042767
Kind Code:
A1
Abstract:
A gas barrier layered body according to the present disclosure comprises, in the following order, a paper base material, a vapor deposition layer, and a sealant layer, wherein, if the distance from the main surface of the vapor deposition layer on the paper base material side to the main surface of the paper base material on the opposite side to the vapor deposition layer is defined as X, and the distance from the main surface of the vapor deposition layer on the sealant layer side to the main surface of the sealant layer on the opposite side to the vapor deposition layer is defined as Y, then the value X/Y, obtained by dividing X by Y, is 0.6 to 2.5.
Inventors:
KOJIMA YUMIKO (JP)
KAMINAGA JUNICHI (JP)
KOSHIYAMA YOSHIKI (JP)
ISHII RIKA (JP)
WAKABAYASHI HIROYUKI (JP)
KAMINAGA JUNICHI (JP)
KOSHIYAMA YOSHIKI (JP)
ISHII RIKA (JP)
WAKABAYASHI HIROYUKI (JP)
Application Number:
PCT/JP2022/033931
Publication Date:
March 23, 2023
Filing Date:
September 09, 2022
Export Citation:
Assignee:
TOPPAN INC (JP)
International Classes:
B32B7/00; B32B15/12; B32B27/10; B65D65/40
Domestic Patent References:
| WO2021029170A1 | 2021-02-18 |
Foreign References:
| JP2020066233A | 2020-04-30 | |||
| JP2016020095A | 2016-02-04 | |||
| JP2016124565A | 2016-07-11 | |||
| JP2018533506A | 2018-11-15 | |||
| JP2004017449A | 2004-01-22 | |||
| JP2018171796A | 2018-11-08 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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