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Title:
FILM LAMINATE MANUFACTURING METHOD AND FILM LAMINATE MANUFACTURING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/135366
Kind Code:
A1
Abstract:
Provided are a method and a device that are capable of creating a flawless, higher-quality elongated film laminate which has a reactive compound layer interposed therein. According to the present invention, a film laminate is produced by, immediately after applying a reactive liquid on a surface of a first elongated film, successively laminating a second film and a third film thereon. By rolling up the laminate on a core made of a material having a linear thermal expansion coefficient of at most 100 ppm/°C and by applying a heat treatment at a temperature that causes the wall thickness of the core to change by at least 0.02 mm, it is possible to produce a flawless, higher-quality elongated laminate.

Inventors:
TOKUDA Kaya (LTD. 1-1 Katata 2-chome, Otsu-sh, Shiga 92, 〒5200292, JP)
YAMASHITA Masahiro (LTD. 1-1 Katata 2-chome, Otsu-sh, Shiga 92, 〒5200292, JP)
OKUYAMA Tetsuo (LTD. 1-1 Katata 2-chome, Otsu-sh, Shiga 92, 〒5200292, JP)
TSUCHIYA Toshiyuki (LTD. 1-1 Katata 2-chome, Otsu-sh, Shiga 92, 〒5200292, JP)
ICHIMURA Shunsuke (LTD. 1-1 Katata 2-chome, Otsu-sh, Shiga 92, 〒5200292, JP)
Application Number:
JP2018/047211
Publication Date:
July 11, 2019
Filing Date:
December 21, 2018
Export Citation:
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Assignee:
TOYOBO CO., LTD. (2-8 Dojima Hama 2-chome, Kita-ku Osaka-sh, Osaka 30, 〒5308230, JP)
International Classes:
B32B27/34; B05D7/04; B29C65/48; B32B37/15
Domestic Patent References:
WO2017188174A12017-11-02
WO2005007756A12005-01-27
WO2016188849A12016-12-01
WO2012133665A12012-10-04
Foreign References:
JP2016016882A2016-02-01
JP2017203146A2017-11-16
JP2007301947A2007-11-22
JP2017057116A2017-03-23
JP2014054627A2014-03-27
JP2016203469A2016-12-08
JP2016183224A2016-10-20
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