Waterproof and breathable sole for shoes, and shoe...

A - Human Necessities – 43 – B

Patent

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Details

A43B 7/12 (2006.01) A43B 13/16 (2006.01)

Patent

CA 2499240

A waterproof and breathable sole for shoes, having a structure that comprises a supporting layer (10, 110) which, at least in a preset macroportion (11, 111), is made of net, felt or other diffusely perforated material; a membrane (13, 113) made of a material that is impermeable to water and permeable to water vapor is associated above the supporting layer (10, 110) at least in the at least one preset macroportion (11, 111) made of net, felt or other diffusely perforated material, which it covers; a tread (15, 115) made of plastic material, with at least one through macroperforation (16, 116) at the at least one preset macroportion (11, 111) made of net, felt is or other diffusely perforated material, is joined hermetically to the membrane (13, 113 ) and to the supporting layer (10, 110) at least at the perimeter of the at least one macroportion (11, 111) made of net, felt or other diffusely perforated material.

Cette invention a trait à une semelle imperméable à l'eau et respirant pour souliers, constituée d'une couche support (10, 110) qui, au moins dans une macro-portion prédéfinie (11, 111), est faite de feutre ou d'un autre matériau perforé de manière diffuse, une membrane (13, 113) faite d'un matériau imperméable à l'eau et perméable à la vapeur d'eau venant surmonter la couche support (10, 110) et ce, au moins dans la macro-portion prédéfinie (11, 111), lequel matériau est fait de feutre ou d'un autre matériau perforé de manière diffuse. Une chape (15, 115) en matière plastique, avec au moins une macro-perforation traversante (16, 116) dans la macro-portion prédéfinie (11, 111) faite d'un réseau, de feutre ou d'un autre matériau perforé de manière diffuse, est hermétiquement jointe à la membrane (13, 113) ainsi qu'à la couche support (10, 110) sur au moins le périmètre de la macro-portion (11, 111) faite d'un réseau, de feutre ou d'un autre matériau perforé de manière diffuse.

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