Footwear with a sole structure incorporating a lobed...

B - Operations – Transporting – 29 – D

Patent

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Details

B29D 35/12 (2010.01) A43B 13/20 (2006.01) A43B 21/28 (2006.01) B29C 49/00 (2006.01)

Patent

CA 2531720

A fluid-filled chamber for an article of footwear and a method for manufacturing the chamber are disclosed. The chamber may be incorporated into a sole structure of the footwear and includes a central area and a plurality of lobes extending outward from the central area. The lobes are in fluid communication with the central area and are formed from a first surface, a second surface, and a sidewall. The sidewall joins with the first surface with the second surface to seal the fluid within the chamber, but no internal connections are generally utilized to join interior portions of the first surface with interior portions of the second surface. The fluid within the chamber may be air at a pressure that is approximately equal to an ambient pressure.

L'invention concerne une cavité remplie de fluide d'une chaussure et un procédé de fabrication de ladite cavité. Cette dernière peut être incorporée dans une structure de semelle de ladite chaussure et comporte une zone centrale ainsi que plusieurs lobes se prolongeant hors de ladite zone centrale. Ces lobes sont en communication fluidique avec la zone centrale et sont formés d'une première et d'une seconde surfaces ainsi que d'une paroi latérale. La paroi latérale est reliée à la première et à la seconde surfaces de façon à sceller hermétiquement le fluide à l'intérieur de la cavité, mais, d'une manière générale, aucune connexion interne n'est utilisée pour relier les parties internes de la première surface à celles de la seconde surface. Le fluide à l'intérieur de la cavité peut être de l'air sous une pression approximativement équivalente à une pression ambiante.

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