A - Human Necessities – 41 – D
Patent
A - Human Necessities
41
D
A41D 19/00 (2006.01) B32B 7/14 (2006.01)
Patent
CA 2732904
A layered structure (1), in particular for production of apparel (50, 70) such as a glove or head covering, comprises at least a first layer (10) and a second layer (20, 22), the second layer including at least a barrier layer (20), and a bonding substance (30) partially disposed between the barrier layer (20) and the first layer (10) to create a bond between the barrier layer and the first layer. The bonding substance (30) includes at least one component (32) of low viscosity such that a force (F) between the first and second layers (10, 20) which acts on at least one of the layers (10, 20) in a force action area (A1) is distributed by a plastic flow onto an area (A2) which is larger than the force action area (A1). More particularly, the bonding substance (30) includes at least one component (32) which is configured such that it has, at 25°C, a shear modulus of not more than 3 x 105 Pa in accordance with the Dahlquist criterion.
Linvention concerne une structure stratifiée (1), en particulier pour la fabrication de vêtements (50, 70) tels quun gant ou un bonnet, comprenant au moins une première couche (10) et une seconde couche (20, 22), la seconde couche comprenant au moins une couche barrière (20), ainsi quune substance de liaison (30) partiellement agencée entre la couche barrière (20) et la première couche (10) afin de créer une liaison entre la couche barrière et la première couche. La substance de liaison (30) comprend au moins un constituant (32) de faible viscosité, de telle sorte quune force (F) entre les première et seconde couches (10, 20) agissant sur au moins une des couches (10, 20) dans une zone daction de force (A1) est répartie par un écoulement plastique sur une zone (A2) plus importante que la zone daction de force (A1). De manière plus particulière, la substance de liaison (30) comprend au moins un constituant (32) configuré de telle sorte quil présente, à 25 °C, un module en cisaillement non supérieur à 3 x 105 Pa selon le critère de Dahlquist.
Klug Helmut
Zaggl Alexander
Zoudlik Holger
Gowling Lafleur Henderson Llp
W.l. Gore & Associates Gmbh
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