A plant for producing a fibre web of plastic and cellulose...

D - Textiles – Paper – 04 – H

Patent

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D04H 5/08 (2012.01) D04H 5/03 (2012.01)

Patent

CA 2592610

A plant serves as a mean for production of a fibre web of synthetic fibres, such as plastic fibres and absorbent fibres, such as viscose and cellulose fibres. The plant includes a forming head (1) preliminary to lay a homogeneously and smoothly distributed fibre layer (16) on a net shaped wire (9). Furthermore the plant includes a hydro-entangling section (3) with liquid nozzles (25) with powerful liquid jets to treat the in the forming head (1) formed fibre layer, which consists of both synthetic - and absorbent fibres. The plant also includes an oven (4) subsequently to thermal bond the synthetic fibres with cross bonds in the affected areas. Finally the dried web is winded up in a roller (32). By the help of the plant according to the invention, by higher production speed than known previously a fibre web can be produced, which is far cheaper, and which has a better and more homogeneous structure than similar conventional fibre webs.

Une installation de production sert à la fabrication d'un voile de carde fait de fibres synthétiques, par exemple des fibres plastiques et des fibres absorbantes comme des fibres de viscose et de cellulose. Ladite installation comprend une tête de formation (1), qui remplit sa fonction préalablement à l'étape suivante, qui consiste à déposer une couche de fibres réparties de façon homogène et uniforme (16) sur un treillis en forme de filet (9). En outre, l'installation comprend une section d'hydroliage (3) dotée de buses de projection de liquides (25) à jets puissants pour traiter la couche de fibres formée au moyen de la tête de formation (1), qui se compose de fibres synthétiques et absorbantes. En outre, l'installation comporte un four (4) qui, ensuite, sert à lier thermiquement les fibres synthétiques au moyen de liaisons croisées dans les zones visées. Finalement, le voile séché est enroulé sur un rouleau (32). Selon l'invention, avec l'aide de cette installation, il est possible d'atteindre une vitesse de production de voiles de fibres plus élevée qu'auparavant, ce qui est beaucoup moins dispendieux et permet d'obtenir une structure améliorée et plus homogène, comparativement aux voiles de fibres classiques semblables.

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