Pressing arrangement

Details Pressing arrangement Pressing arrangement

D - Textiles, Paper

21

F

D21F 3/04 (2006.01) D21F 3/00 (2006.01) D21F 3/02 (2006.01) D21F 11/14 (2006.01)

Patent

CA 2329554

Pressing arrangement of a machine and process for producing a web. The pressing arrangement includes a shoe press unit and an opposing roll arranged to form at least one press nip. The shoe press unit includes at least one press shoe arranged opposite the opposing roll and a flexible, liquid-impermeable press belt arranged to be guided over the press shoe. The opposing roll includes a smooth surface. At least one press felt is arranged to be guided through the press nip along with the press belt and the web. The at least one felt is deflected away from the web, which is picked up by the smooth surface of the opposing roll, such that the at least one felt is guided out of the press nip at an angle greater than or equal to about 10° to a tangent to the opposing roll at an end of the press nip. This arrangement permits a higher dryness of the web to be achieved.

Arrangement de presse d'une machine et procédé pour fabriquer une bande de tissu. L'arrangement de presse comprend une presse à sabot et un rouleau agencés de manière à former au moins un point de pinçage de presse. La presse à sabot comprend au moins un sabot s'opposant au rouleau et une chemise de presse souple et imperméable guidée par-dessus le sabot. Le rouleau comprend une surface lisse. Au moins un feutre de presse passe par le point de pinçage de presse avec la chemise de presse et la bande de tissu. Le feutre est dévié de la bande de tissu, qui est attrapée par la surface lisse du rouleau, de sorte que le feutre est guidé hors du point de pinçage suivant un angle supérieur ou égal à 10 degrés par rapport à une tangente du rouleau à une extrémité du point de pinçage. Cet arrangement permet un meilleur séchage de la bande de tissu.

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