Porous belts or filter cloths

Details Porous belts or filter cloths Porous belts or filter cloths

D - Textiles, Paper

06

N

D06N 3/14 (2006.01) B01D 39/08 (2006.01) B01D 39/16 (2006.01) B01D 39/20 (2006.01) D06N 3/04 (2006.01) D06N 3/12 (2006.01) D21F 7/08 (2006.01)

Patent

CA 2319452

A porous belt or filter cloth comprises a woven or nonwoven textile substrate (11), which is coated on at least one surface with a coagulated polymer layer (12). The layer (12) preferably substantially impregnates the substrate, and the textile substrate, if nonwoven, may be supported on a mesh membrane (23), or a spiral link fabric (32). Alternatively, a layer of sintered particles (42) may be incorporated over the substrate which is covered by and impregnated by the coagulated polymer layer.

L'invention concerne une courroie poreuse ou toile filtrante qui comprend un substrat (11) textile tissé ou non tissé, lequel est recouvert d'une couche polymère coagulée (12) sur au moins une surface. De préférence, ladite couche (12) imprègne sensiblement le substrat, et le substrat textile, s'il est non tissé, peut être supporté par une membrane en maille (23), ou un tissu à spirale (32). Dans une variante, une couche de particules frittées (42) peut être ajoutée sur le substrat, lequel est recouvert et imprégné de la couche polymère coagulée.

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