Wrinkle reduction assembly

Details Wrinkle reduction assembly Wrinkle reduction assembly

B - Operations, Transporting

65

H

B65H 23/025 (2006.01) B65H 23/34 (2006.01)

Patent

CA 2490110

An apparatus for reducing wrinkles in a film (102) includes a first pair (100) of cylindrical rollers including a first roller (108a) and a second roller (108b), the first and second roller each in parallel juxtaposed relation to each other, and each having a substantially smooth surface; and a second pair (110) of cylindrical rollers including a third roller (112a) and a fourth roller (112b) , the third and fourth roller each in parallel juxtaposed relation to each other, and at least one of the third (112a) and fourth roller (112b) having a chevron pattern disposed on the surface thereof; the first pair of rollers (108) being adjacent to and spaced apart from the second pair of rollers (110). A method for reducing wrinkles is also disclosed herein.

Un appareil pour réduire les rides dans un film (102) comprend une première paire (100) de rouleaux cylindriques comprenant un premier rouleau (108a) et un deuxième rouleau (108b), les premier et deuxième rouleaux étant juxtaposés et parallèles, et possédant chacun une surface sensiblement lisse, ainsi qu'une deuxième paire (110) de rouleaux comprenant un troisième rouleau (112a) et un quatrième rouleau (112b), les troisième et quatrième rouleaux étant juxtaposés et parallèles. Au moins le troisième (112a) et le quatrième rouleaux (112b) sont disposés en chevron à la surface. La première paire de rouleaux (108) est adjacente à la deuxième paire de rouleaux (110) et espacée de celle-ci. L'invention concerne aussi un procédé pour réduire les rides.

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