Process for the production of a fibrous sheet material

Details Process for the production of a fibrous sheet material Process for the production of a fibrous sheet material

B - Operations, Transporting

27

N

B27N 3/04 (2006.01) B27N 3/18 (2006.01) D04H 1/00 (2006.01) D21F 9/00 (2006.01)

Patent

CA 2175229

A fibrous shoe; material is produced by the steps of dry-laying cellulosic fibres on a continuously moving support to form a layer thereon, and wetting said layer sufficiently to cause hydrogen bonds to be formed to a desired degree. The fibrous sheet material thus produced may, if desired, be further processed or finished by known methods to obtain a variety of final products. For carrying out the method an apparatus may be used, which in a preferred embodiment comprises a dry-laying fibre distributor mounted above the foraminous wire of a paper machine based on wet-laying.

L'invention concerne un procédé de production de matière en feuille fibreuse qui consiste à disposer à sec des fibres cellulosiques sur un support se déplaçant en continu de manière à former une couche sur ce dernier, à mouiller suffisamment ladite couche de manière à provoquer la formation de liaisons jusqu'à un certain degré voulu. La matière en feuille fibreuse ainsi produite peut éventuellement être encore traitée ou finie par des procédés connus de manière à obtenir une grande variété de produits finis. Pour mener à bien ce procédé on utilise un appareil qui, dans un mode de réalisation préféré, comporte un distributeur de fibres posées à sec monté au-dessus de la toile poreuse d'une machine à papier du type par voie humide.

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