Non-woven composite

D - Textiles – Paper – 04 – H

Patent

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Details

D04H 13/00 (2006.01) E04B 1/74 (2006.01) E04B 1/78 (2006.01)

Patent

CA 2662815

A non-woven material including first effect fibers, first binder fibers, second binder fibers, and optionally second effect fibers. The non-woven material has a first planar zone and a second planar zone. The first planar zone includes a greater concentration of first effect fibers and first binder fibers. The second planar zone includes a greater concentration of second effect fibers and second binder fibers. The first planar zone can include a first surface skin associated with the first planar zone on the exterior of the non-woven material, and a second surface skin associated with the second planar zone on the exterior of the non-woven material. The non-woven material has a woven, knitted, or non-woven layer added on either one or both sides of the non-woven material.

La présente invention concerne un matériau non tissé constitué de fibres de premier type, de fibres de premier type liantes, de fibres de deuxième type liantes et, le cas échéant, de fibres de deuxième type. Le matériau non tissé contient une première et une seconde zones planaires. La première zone planaire contient une grande quantité de fibres de premier type et de fibres de premier type liantes. La seconde zone planaire contient une plus grande quantité de fibres de deuxième type et de fibres de deuxième type liantes. La première zone planaire peut contenir un premier revêtement de surface associé à la première zone planaire sur la partie externe du matériau non tissé, et un second revêtement associé à la seconde zone planaire sur la partie externe du matériau non tissé. Ce matériau a une couche tissée, tricotée ou bien une couche non tissée ajoutée et qui est positionnée sur l'un des côtés du matériau non tissé ou bien sur ses deux côtés.

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