Breathable fasteners

A - Human Necessities – 61 – F

Patent

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Details

A61F 13/62 (2006.01) A44B 18/00 (2006.01)

Patent

CA 2529957

The present invention concerns breathable fasteners for use with hook fastener systems. The breathable fastening system comprises a first breathable mechanical fastener surface, which is generally a loop or fibrous type surface that can optionally be joined to a breathable backing loop, and a recon large area breathable hook type fastener. The hook type fastener generally has an integral film backing which film backing has a porosity of from 0.0001 to 0.005 cm3, a backing thickness of from 25 to 200 ~m, a stiffness of from 10 to 2000 Gurley units and a hook or projection containing surface area of at least 10 cm2.

La présente invention concerne des fermetures perméables à l'air s'utilisant avec des systèmes de fermetures à crochets. Ce système de fermetures perméables à l'air comprend une première surface de fermeture mécanique perméable à l'air, qui est généralement une surface de type fibreux ou à bouclettes pouvant éventuellement se fixer à une bouclette d'appui perméable à l'air, et une seconde fermeture à crochets perméable à l'air, de grande superficie. La fermeture à crochets comporte un film d'appui intégré d'une porosité de 0,0001 à 0,005 cm?3¿. L'épaisseur de la couche d'appui est comprise entre 25 et 200 ?m. Sa rigidité est de 10 à 2000 unités Gurley. Enfin, la surface garnie de crochets ou d'aiguilles est d'au moins 10 cm?2¿.

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