Apparatus, system and method for transferring a running web

Details Apparatus, system and method for transferring a running web Apparatus, system and method for transferring a running web

D - Textiles, Paper

21

G

D21G 9/00 (2006.01) D21F 2/00 (2006.01) D21F 11/14 (2006.01)

Patent

CA 2453334

An improved system, apparatus and method is disclosed for transferring a running web (30) from a first carrier fabric (14) to a second carrier fabric (17) in the manufacture of webbed products, such as tissue, paper toweling, and the like. A multi-stage vacuum process applies a vacuum to the running web. One or more auxiliary units (36) apply a vacuum to one or more edge portions of the running web. The apparatus provides for a reliable and efficient transfer of the running web among carrier fabrics, in which the carrier fabrics may include topographical features upon their surface.

L'invention concerne un système, un dispositif et un procédé améliorés permettant de transférer une bande en défilement (30) depuis une première étoffe support (14) vers une seconde étoffe support (17) pendant la fabrication de produits tissés, tels que du tissu, du papier essuie-tout et autres produits analogues. Un traitement sous vide en plusieurs étapes consiste à appliquer un vide à la bande en défilement. Une ou plusieurs unités (36) supplémentaires appliquent un vide à une ou à plusieurs portions de contour de la bande en défilement. Le dispositif décrit dans cette invention permet d'effectuer un transfert fiable et efficace de la bande en défilement entre les étoffes supports; les étoffes supports peuvent présenter des caractéristiques topographiques sur leur surface.

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