Insert for soles, particularly for perforated soles made of...

A - Human Necessities – 43 – B

Patent

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Details

A43B 7/06 (2006.01) A43B 7/12 (2006.01) A43B 13/16 (2006.01)

Patent

CA 2729705

An insert for soles, particularly for perforated soles made of polymeric material, comprising a membrane (13) that is impermeable to water and permeable to water vapor, the insert ( 10) comprising: ~ a supporting layer (11) made of mesh, felt or other diffusely perforated material, a vapor permeation component (12), which comprises the membrane (13) arranged above the supporting layer (1 1 ), - a layer of polymeric material (14) that impregnates locally the supporting layer (11), so as to form therein a matrix (15) for the adhesive bonding thereof to other components of the shoe, ~ a region ( 16) for sealing the supporting layer (1 1) to the vapor permeation component (12). The adhesive bonding matrix (15) affects at least the perimetric region of the supporting layer ( 1 1 ) and delimits at least one vapor-permeable portion (18) of the supporting layer (11), which is free from polymeric material ( 14). The sealing region (16) provides for the intimate grip of the polymeric material ( 14), which impregnates the supporting layer (1 1 ), to the membrane (13).

L'invention porte sur un insert pour semelles, en particulier pour semelles perforées réalisées en matériau polymère, comprenant une membrane (13) qui est imperméable à l'eau et perméable à la vapeur d'eau, l'insert (10) comprenant : - une couche de support (11) réalisée en treillis, en feutre ou en un autre matériau perforé de façon diffuse, - un composant de perméation de vapeur (12), qui comprend la membrane (13) disposée au-dessus de la couche de support (11), - une couche de matériau polymère (14) qui imprègne localement la couche de support (11), de façon à former dans celle-ci une matrice (15) pour sa liaison adhésive à d'autres composants de la chaussure, - une région (16) pour sceller la couche de support (11) au composant de perméation de vapeur (12). La matrice de liaison adhésive (15) concerne au moins la région périphérique de la couche de support (11), et délimite au moins une partie perméable à la vapeur (18) de la couche de support (11), qui est exempte de matériau polymère (14). La région de scellement étanche (16) assure ladhérence intime du matériau polymère (14), qui imprègne la couche de support (11), à la membrane (13).

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