D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
D21F 1/44 (2006.01) D21F 9/04 (2006.01) D21F 11/06 (2006.01) D21F 11/08 (2006.01) D21H 21/42 (2006.01)
Patent
CA 2737423
Method of manufacturing a ply (1) based on fibrous material, in which method a formation surface (4) is immersed in a suspension of fibrous material (5) contained in a vat (6), the formation surface (4) being in a relative rotational movement with respect to the vat (6), in which method at least one strip (2) is arranged in the vat (6) in such a way as to alter the deposition of fibrous material (5) on the formation surface (4) and is held relative to the ply and to the formation surface in such a way that the formed ply (1) of fibrous material does not include the strip (2), the strip (2) having a free end situated in the vat (6) and/or the strip (2) being immobile relative to the vat (6).
Procédé de fabrication d'un jet (1) à base de matière fibreuse, dans lequel une surface de formation (4) est immergée dans une suspension de matière fibreuse (5) contenue dans une cuve (6), la surface de formation (4) étant en mouvement relatif de rotation par rapport à la cuve (6), procédé dans lequel au moins une bande (2) est disposée dans la cuve (6) de manière à modifier le dépôt de matière fibreuse (5) sur la surface de formation (4) et retenue relativement au jet et à la surface de formation de façon à ce que le jet (1) de matière fibreuse formé ne comporte pas la bande (2), la bande (2) ayant une extrémité libre située dans la cuve (6) et/ou la bande (2) étant immobile relativement à la cuve (6).
Bramucci Fabrice
Prique Eric
Arjowiggins Security
Robic
LandOfFree
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