Moulded head and method for the production of a nonwoven fabric

Details Moulded head and method for the production of a nonwoven fabric Moulded head and method for the production of a nonwoven fabric

D - Textiles, Paper

04

H

D04H 1/70 (2006.01) B27N 3/14 (2006.01) D04H 1/72 (2006.01)

Patent

CA 2564858

The invention relates to a moulded head for a device which is used to produce a nonwoven fabric by placing fibres on a conveyor belt. Said device comprises a fibre feed mechanism which is connected to a fibre processing chamber comprising a lower placement opening which is used to discharge fibres. Interlocking needle rollers are arranged in a parallel manner in relation to each other about the longitudinal axis in the fibre processing chamber, said interlocking needle rollers being able to rotate about the respective longitudinal axis thereof, surround the inner chamber and are arranged in such a manner in relation to the fibre feed mechanism and the placement opening, such that, during operation, fibres supplied to the moulded head enter into the inner chamber between interlocking needle rollers and leave the inner chamber between interlocking needle rollers.

L'invention concerne une tête de taraudage pour un dispositif permettant de produire un non tissé par dépôt de fibres sur une bande de transport, comprenant une alimentation de fibres, qui se dirige vers une chambre de traitement des fibres, laquelle présente un orifice de dépôt inférieur, destiné à distribuer des fibres. Dans cette chambre, des hérissons s'entrecroisant sont disposés parallèlement à des axes longitudinaux, ces derniers pouvant tourner autour de leur axe longitudinal respectif et les hérissons sont contenus dans une pièce intérieure et sont disposés en fonction de l'alimentation de fibres et de l'orifice de dépôt, de sorte que les fibres dirigées, lors du fonctionnement, dans la tête de taraudage entrent dans la chambre intérieure entre les hérissons et qu'ils quittent la chambre intérieure entre les hérissons.

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