Title:
LAMINATE PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2023/139980
Kind Code:
A1
Abstract:
A laminate production method including a sandwich lamination step in which a first laminate and a second laminate are stacked and integrated with a heat seal layer therebetween, wherein: the first laminate is provided with a first paper layer, a first anchor coating layer, and a first gas barrier layer; the second laminate is provided with a second paper layer, a second anchor coating layer, and a second gas barrier layer; at least one of the first laminate and the second laminate is provided with the heat seal layer; the sandwich lamination step is a step for integrating the first laminate and the second laminate with the heat seal layer therebetween; and the heat seal layer includes an acrylic resin.
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Inventors:
TAKAHASHI RYOTA (JP)
USHIJIMA YOSUKE (JP)
USHIJIMA YOSUKE (JP)
Application Number:
PCT/JP2022/045882
Publication Date:
July 27, 2023
Filing Date:
December 13, 2022
Export Citation:
Assignee:
SAKATA INX CORP (JP)
International Classes:
B32B27/10; B32B27/30; B32B29/00; B32B37/12; B65D65/40; B65D65/46
Domestic Patent References:
| WO2020203346A1 | 2020-10-08 | |||
| WO2021059815A1 | 2021-04-01 | |||
| WO2022190999A1 | 2022-09-15 |
Foreign References:
| JP2001192510A | 2001-07-17 | |||
| JP2020192737A | 2020-12-03 | |||
| JP2021147108A | 2021-09-27 | |||
| JP2001355195A | 2001-12-26 |
Attorney, Agent or Firm:
ASAHINA & CO. (JP)
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