Method and apparatus for making a wear resistant plating on...

Details Method and apparatus for making a wear resistant plating on... Method and apparatus for making a wear resistant plating on...

D - Textiles, Paper

21

G

D21G 3/00 (2006.01) C23C 4/02 (2006.01) D21H 25/10 (2006.01)

Patent

CA 2503243

A method and apparatus for making a wear resistant coating on a treatment blade (4), such as a coating, doctor or creping blade, designed for the treatment of a paper web, in which method the area to be coated is subjected to a preliminary treatment before the coating process to improve the adhesion of the coating material. The adhersion surface (43) of the coating is roughened so that the roughening traces are perpendicular to the longitudinal direction of the coating blade.

La présente invention concerne un procédé et un dispositif pour réaliser un plaquage résistant à l'usure sur une lame de traitement (4) telle qu'une lame d'application de revêtement, une racle ou une lame de crêpage, conçue pour traiter une bande de papier, le procédé comprenant l'exposition de la zone à revêtir à un traitement préliminaire précédant le processus de revêtement, afin d'améliorer l'adhérence de la matière de revêtement. La surface d'adhérence (43) du revêtement est rendue rugueuse de sorte que les rugosités sont perpendiculaires à la direction longitudinale de la lame d'application de revêtement.

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