Insole having puncture-resistant properties for safety footwear

Details Insole having puncture-resistant properties for safety footwear Insole having puncture-resistant properties for safety footwear

A - Human Necessities

43

B

A43B 13/12 (2006.01) A43B 7/32 (2006.01) A43B 13/38 (2006.01)

Patent

CA 2631899

A insole (1) having puncture-resistant properties for safety footwear, comprising an anterior portion (2) extending from a toe region (3) to a metatarsal region (4) of the insole and a posterior portion (5) extending from the metatarsal region to a heel region (6) longitudinally opposite the toe region. The posterior portion (5) comprises at least one substantially rigid layer (8) made of composite material formed from a fibre-reinforced polymer matrix and the anterior portion (2) is formed of a substantially flexible material comprising at least one layer (7) formed of polymer fibres having enhanced puncture-resistant properties.

La présente invention concerne une semelle interne (1) ayant des propriétés de résistance aux perforations pour une chaussure de sécurité, comprenant une partie antérieure (2) s~étendant à partir d~une région de doigts de pied (3) vers une région métatarsienne (4) de la semelle interne et une partie postérieure (5) s~étendant depuis la région métatarsienne vers une région de talon (6) longitudinalement à l~opposé de la région de doigts de pied. La partie postérieure (5) comprend au moins une couche sensiblement rigide (8) faite d~un matériau composite formé à partir d~une matrice polymère renforcée par des fibres et la partie antérieure (2) est formée d~un matériau sensiblement souple comprenant au moins une couche (7) formée de fibres polymères ayant des propriétés améliorées de résistance aux perforations.

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