Apparatus in a paper machine for improving the smoothness...

Details Apparatus in a paper machine for improving the smoothness... Apparatus in a paper machine for improving the smoothness...

D - Textiles, Paper

21

G

92/4

D21G 1/00 (2006.01)

Patent

CA 1042694

ABSTRACT OF THE DISCLOSURE: This invention relates to an apparatus in a paper machine for improving the surface smoothness and gloss of the paper or cardboard, comprising at least one smoothing means the action of which is mainly based on friction directed to the surface of the web to be smoothed. The smoothing means is or are placed in association with at least one drying cylinder of the paper machine to extend over the whole breadth of the web to be smoothed and to be parallel with the axis of the cylinder. The smoothing means comprises or comprise a supporting beam carried by the frame of the paper machine and a smoothing member provided along the side of the beam.The smoothing member consists of hard metal or ceramic microporous material and is urged by force means associated with the supporting beam against the web to be smoothed passing on the cylinder.

227909

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