Press fabric

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D - Textiles, Paper

21

F

D21F 7/08 (2006.01)

Patent

CA 2693562

The invention relates to a papermakers felt (1) comprising: a support structure (2) with an upper (3) and a lower side (4) and functional batt layers (6,7,8), wherein at least one of said functional batt layers (6,7) being needled to said upper side (3) and at least one functional batt layer (8) being needled to said lower side (4) of said support structure (2). The invention is characterized in that said support structure (2) comprises a base layer (9) and two coarse batt layers (10,11), the coarse batt layers (10,11) mainly comprising coarse fibres of 67dtex or more, the two coarse batt layers (10,11) being disposed on opposite sides of said base layer (9) to provide the upper side and the lower side of the support structure (2) and coarse fibres of each of the two coarse batt layers being embedded in said base layer (9).

L'invention concerne un feutre de papeterie (1) comprenant : une structure de support (2) ayant une face supérieure (3) et une face inférieure (4) et des couches de nappe fonctionnelles (6, 7, 8), au moins l'une desdites couches de nappe fonctionnelles (6, 7) étant aiguilletée sur ladite face supérieure (3) et au moins une couche de nappe fonctionnelle (8) étant aiguilletée sur ladite face inférieure (4) de ladite structure de support (2). L'invention est caractérisée en ce que ladite structure de support (2) comprend une couche de base (9) et deux couches de nappe grossières (10, 11), les couches de nappe grossières (10, 11) comprenant principalement des fibres grossières de 67 dtex ou plus, les deux couches de nappe grossières (10, 11) étant disposées sur les faces opposées de ladite couche de base (9) pour constituer la face supérieure et la face inférieure de la structure de support (2), et les fibres grossières de chacune des deux couches de nappe grossières étant incrustées dans ladite couche de base (9).

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