Arrangement in connection with curtain coating of a fibrous web

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9808824
APP PUB NO 20160074898A1
SERIAL NO

14850635

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An arrangement in a curtain coater for starting and stopping coating of a web, having a reservoir and a connected surface extending over the web toward the curtain to collect the coating as the coater moves over the web to start coating the web. A cover plate that swing around a cross-direction shaft connected to the cover plate. In one embodiment the shaft also moves in the machine direction. The cover plate is used to protect an leading edge of the collecting surface from being covered with coating and pivots to be cleaned with fluid which may be supply from the shaft. The cover plate is arranged so the fluid drain off the cover plate onto the collecting surface or reservoir. When clean, the cover plate is repositioned to protect an leading edge of the collecting surface during the next start or stop operation of coating the web.

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Patent Owner(s)

Patent OwnerAddress
VALMET TECHNOLOGIES INCKEILASATAMA 5 ESPOO FI-02150

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nurmiainen, Timo Järvenpää, FI 4 2
Vatanen, Heikki Järvenpää, FI 7 5

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