Arrangement in connection with curtain coating of a fibrous web

    公开(公告)号:US09808824B2

    公开(公告)日:2017-11-07

    申请号:US14850635

    申请日:2015-09-10

    CPC classification number: B05C5/005 B05C11/1039 D21H23/48

    Abstract: 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.

Patent Agency Ranking