A midsole for masai walking specialized footwear having an...

A - Human Necessities – 43 – B

Patent

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A43B 13/40 (2006.01)

Patent

CA 2683891

This invention relates to a midsole in use for Masai walking specialized rolling footwear, having an upper pad in where an airbag and tunnel are formed; the midsole can be easy and simply produced because at least one supporting projection made of polyurethane is formed on the airbag and tunnel; superior shape recovery of a bottom piece bending frequently during walking is accomplished and an effect of the walk stability increases, as well as keeping the bottom piece and footwear initial forms by preventing the supporting projection made of polyurethane from hydrolysis reaction.

Cette invention porte sur une semelle intercalaire destinée à être utilisée pour une chaussure roulante spécialisée de type à démarche Masai, ayant un tampon supérieur dans lequel un coussin gonflable et un canal sont formés ; la semelle intercalaire peut être facilement et simplement fabriquée en raison du fait qu'au moins une projection de support faite en polyuréthane est formée sur le coussin gonflable et le canal ; une reprise de forme supérieure d'une pièce inférieure se courbant fréquemment pendant la marche est obtenue et un effet de stabilité de la démarche augmente, ainsi que le maintien de la partie inférieure et les formes initiales des chaussures en empêchant la projection de support faite en polyuréthane de subir une réaction d'hydrolyse.

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