Bladder and method of making the same

A - Human Necessities – 43 – B

Patent

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A43B 13/20 (2006.01) A43B 17/03 (2006.01) B29D 22/02 (2006.01)

Patent

CA 2080455

A bladder usable in the sole of a shoe for supporting the plantar area includes a plurality of chambers designed to provide a resilient resistance force. In the fabrication of the bladder, each of the chambers is formed in fluid communication with each other, and fluid is supplied into the chambers at a selected location. After the chambers have been pressurized to the desired internal pressure, the fluid communication port(s) is sealed. Although certain of the chambers are pressurized to the same internal pressure, different resistance forces are provided by forming the chambers with different volumes.

Une vésicule utilisable dans la semelle d'un soulier pour supporter l'aire plantaire inclut une pluralité de chambres conçues pour permettre une force de résistance élastique. Lors de la fabrication de la vésicule, chacune des chambres est formée de façon à ce qu'elle soit en communication avec les autres, et un liquide est distribué à l'intérieur des chambres à des endroits sélectionnées. Après que les chambres aient été pressurisées à la pression interne désirée, les ports de communication sont scellés. Bien que certaines chambres soient pressurisées à la même pression interne, différentes forces de résistance peuvent être produites en formant des chambres de différents volumes.

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