A - Human Necessities – 43 – B
Patent
A - Human Necessities
43
B
A43B 7/06 (2006.01)
Patent
CA 2248607
An article of footwear having a ventilated sole (1), the sole being formed of a substantially impermeable resilient material and having internally an air reservoir arrangement (2/3) connected to the interior of the footwear via perforations (9), each of which has along its length a relatively wide region (9A) open to the interior of the footwear and a relatively narrow region (9B) connecting the relatively wide region (9A) to the air reservoir arrangement (2/3). The sole has a ventilation arrangement (4/5/8) serving for venting the air reservoir arrangement (2/3) externally of the footwear. The sequential compression, during the wearer's step, of reservoir chambers (2A, 2B and 2C), and the interconnecting ducts (3), in combination with the synchronous sequential occlusion of the perforations (9) by the wearer's foot, restricts or prevents back-flow of moisture laden air within the sole.
Chaussure comportant une semelle ventilée (1), formée d'un matériau élastique sensiblement imperméable et munie à l'intérieur d'un dispositif de réserve d'air (2/3) relié à l'intérieur de la chaussure par des perforations (9), dont chacune comporte sur sa longueur une zone relativement large (9A) ouverte sur l'intérieur de la chaussure et une zone relativement étroite (9B) reliant la zone relativement large (9A) au dispositif de réserve d'air (2/3). La semelle comporte un dispositif de ventilation (4/5/8) assurant l'aération du dispositif de réserve d'air (2/3) vers l'extérieur de la chaussure. La compression séquentielle, lorsque le porteur de la chaussure pose le pied par terre, des chambres de réserve (2A, 2B et 2C), et des canaux d'interconnexion (3), associée à l'occlusion séquentielle synchrone des perforations (9) par le pied, limitent ou évitent le reflux d'air chargé d'humidité à l'intérieur de la semelle.
Gowling Lafleur Henderson Llp
Middleton Nigel John
LandOfFree
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