B - Operations – Transporting – 31 – F
Patent
B - Operations, Transporting
31
F
B31F 1/14 (2006.01) D21G 3/00 (2006.01) D21G 3/04 (2006.01)
Patent
CA 2656744
A blade for creping a paper web from a dryer surface, said blade having a sliding surface facing the dryer surface during use of the blade, a web impact surface upon which the paper web impacts during creping, and a working apex formed between the sliding surface and the web impact surface, wherein the working apex is located no more than 30 percent of the total blade thickness away from a neutral fiber of the blade. Preferably, the working apex of the inventive creping blade is located at or close to the neutral fiber of the blade. A method for manufacturing the blade is also disclosed.
L'invention porte sur une lame à crêper les bandes de papier de séchoirs, ladite lame présentant: une surface lisse face à celle du séchoir, une surface de contact avec la bande et une crête de travail reliant lesdites surfaces, et séparée de moins de 30% de l'épaisseur totale de la lame de la fibre neutre de la lame. La crête de travail est de préférence située sur ou au voisinage de la fibre neutre. L'invention porte également sur le procédé de fabrication de la lame.
Btg Eclepens S.a.
Sim & Mcburney
LandOfFree
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