B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/00 (2006.01) D04H 13/00 (2006.01)
Patent
CA 2633635
There is described a sheet comprising two layers (2 and 100) of waterproof materials arranged between a first (3) and a second (3) layer of spunbonded fabric made of reinforced polyester. The two layers of reinforced and waterproof polyester spunbonded fabrics (103) are laterally offset one with respect to the other so as to form a protrusion (20) of the first layer with respect to the second layer on one side and a protrusion (20) of the second layer with respect to the first layer on the opposite side. Layer (100) of waterproof material is a layer of plastomeric film having such a width as to cover said protrusions (20).
L'invention concerne une feuille comprenant deux couches (2 et 100) de matériaux étanches disposées entre une première (3) et une seconde (3) couche de tissu filé-lié constitué de polyester renforcé. Les deux couches de tissu filé-lié renforcé et étanche à base de polyester (103) sont décalées latéralement l'une par rapport à l'autre de manière à former une protubérance (20) de la première couche par rapport à la seconde couche d'un côté et une protubérance (20) de la seconde couche par rapport à la première couche du côté opposé. La couche (100) de matériau étanche est une couche de film plastomérique ayant une largeur telle qu'elle recouvre lesdites protubérances (20).
Freudenberg Politex S.r.l.
Riches Mckenzie & Herbert Llp
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