FILM CLEANING DEVICE AND METHOD FOR MANUFACTURING CLEANING-COMPLETED FILM

WIPO Patent Application WO/2020/195635

A1

The purpose of the present invention is to provide a cleaning device for cleaning a film while transporting the film, wherein the surface of the film can be cleaned with the improved cleaning effect of a cleaning liquid that is carried by the film and lifted to a driving roller from a cleaning tank, and the transporting speed can be increased while correctly performing tension control without causing wrinkle and damage to the transported film.　To this end, a film cleaning device is provided, which is for cleaning a film and has a cleaning tank and a driving roll (the driving roll is referred to as a first driving roll) that is arranged downstream of the cleaning tank and firstly makes contact with a film out of the cleaning tank, wherein: a means for scraping off the cleaning liquid carried by the film out of the cleaning tank is provided at least on a film surface side that firstly makes contact with the first driving roll directly after passing through the cleaning tank; and a means for spraying the cleaning fluid onto the film is present between the means for scraping off the cleaning liquid and the first driving roll and is provided at least on the film surface side that firstly makes contact with the first driving roll.

ISHIDA HIROKI (JP)
TAGUCHI TAKAYUKI (JP)
MASUDA SHOZO (JP)

PCT/JP2020/009105

October 01, 2020

March 04, 2020

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TORAY INDUSTRIES (JP)

B08B3/02; B08B3/04; B08B11/00

JP2007270321A	2007-10-18
JP2017001009A	2017-01-05
JP2013181180A	2013-09-12
JPH09314084A	1997-12-09
JP2002316116A	2002-10-29
US3656325A	1972-04-18

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