Doctor blade for a papermaking machine

Details Doctor blade for a papermaking machine Doctor blade for a papermaking machine

D - Textiles, Paper

21

F

92/5

D21F 1/48 (2006.01)

Patent

CA 1051243

ABSTRACT OF THE DISCLOSURE A doctor blade system for use in papermaking including a rotating cylindrical member and a doctor blade member for removing a paper web from the cylindrical member, where the doctor blade member comprises an elongated flexible composite including a plurality of ceramic segments, each segment having at least two opposite surfaces that are flat and parallel. The segments are aligned in stacked relationship with their flat faces in abutting face-to-face relation and forced toward each other in the direction of their composite length with a force which is sufficient to maintain the segments in compression when subjected to conditions of thermal change and/or flexing of the member during use. The ceramic member is provided with a smooth elongated working surface which defines an area of contact with the cylindrical member. A method for making the ceramic member is disclosed.

302325

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