D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
D21F 1/00 (2006.01) D21F 11/14 (2006.01)
Patent
CA 2753350
A nonwoven fabric includes a plurality of through voids, where each of the voids has a first opening associated with a top surface of the fabric and a first raised edge circumferentially adjacent to the first opening. The voids may each further include a second opening associated with a bottom surface of the fabric and a second raised edge circumferentially adjacent to the second opening, such that the first opening may have a surface area that is larger than or the same as the second opening.
L'invention concerne une toile non tissée comprenant une pluralité de vides débouchants, chacun desdits vides présentant une première ouverture associée à une surface supérieure de la toile et un premier bord surélevé circonférentiellement adjacent à la première ouverture. Chacun des vides peut en outre comprendre une deuxième ouverture associée à une surface inférieure de la toile et un deuxième bord surélevé circonférentiellement adjacent à la deuxième ouverture, de telle sorte que la première ouverture présente une surface de section supérieure ou égale à celle de la deuxième ouverture.
Karlsson Jonas
Mourad Sabri
Albany International Corp.
Nelligan O'brien Payne Llp
LandOfFree
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