INTERMITTENT COATING APPARATUS

WIPO Patent Application WO/2021/010057

A1

Provided is an intermittent coating apparatus that can perform intermittent coating without using a recovery valve, increase conveying speed of a substrate, and effectively reduce protuberances and hollows at a coating start end and a coating termination end of the intermittent coating even when opening and closing speeds of an on/off valve are increased.　In particular, an intermittent coating apparatus for intermittently coating a substrate with a coating liquid includes: a coating nozzle for discharging the coating liquid toward the substrate; a coating liquid supply part for supplying the coating liquid to the coating nozzle; an on/off valve disposed in a coating liquid supply channel between the coating nozzle and the coating liquid supply part to switch on and off the supply of coating liquid; and a liquid reservoir part for reserving inflowing coating liquid in the coating liquid supply channel between the coating liquid supply part and the on/off valve. The liquid reservoir part includes a pressure-receiving volume-variable part for adjusting pressure fluctuations in the coating liquid supply channel by changing the volume of the liquid reservoir part in response to pressure changes in the coating liquid supply channel caused by a switching operation of the on/off valve.

YOKOI KENTA (JP)
KURIAKI TAKESHI (JP)

PCT/JP2020/022678

January 21, 2021

June 09, 2020

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TORAY ENG CO LTD (JP)

B05C5/02; B05C11/10; F15B1/04

JP2013071044A	2013-04-22
JP2018001082A	2018-01-11
JP2010104883A	2010-05-13
JP2017223280A	2017-12-21

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