Self-inflating cushion and footwear including same

Details Self-inflating cushion and footwear including same Self-inflating cushion and footwear including same

F - Mech Eng,Light,Heat,Weapons

16

F

F16F 1/36 (2006.01) A43B 13/20 (2006.01) A43B 21/28 (2006.01) B01J 7/00 (2006.01) F16F 9/04 (2006.01)

Patent

CA 2527290

A cushion (15, 25 27, 51, 73) comprised of at least one chamber (52-55, 75a-h) comprised of a barrier material, said barrier material comprised of an elastomer, said elastomer being at least semi-permeable to at least a first reactant compound, a second reactant compound disposed within said at least one chamber, wherein said first reactant compound and said second reactant compound react to form a resultant compound, and wherein a rate of diffusion of said resultant compound through said barrier material is less than a rate of diffusion of said first reactant compound through said barrier material. An article of footwear including a cushion, said cushion comprised of at least one chamber comprised of a barrier material, at least a first and a second solid or liquid reactant compounds disposed within said at least one chamber, wherein said first reactant compound and said second reactant compound react to form a resultant gaseous compound.

L'invention concerne un coussin comprenant au moins une chambre constitué d'un matériau barrière, lequel est lui-même constitué d'un élastomère au moins semi-perméable à au moins un premier composé réactif et à au moins un second composé réactif disposés dans ladite chambre. Le premier composé réactif et le second composé réactif réagissent pour former un composé résultant et le taux de diffusion de ce composé résultant à travers le matériau barrière est inférieur au taux de diffusion du premier composé réactif à travers le matériau barrière. L'invention concerne également une chaussure comprenant un coussin constitué d'au moins une chambre, elle-même constituée d'un matériau barrière, d'au moins un premier et d'au moins un second composés réactifs solides ou liquides disposés dans ladite chambre. Ce premier composé réactif et ce second composé réactif réagissent pour former un composé gazeux résultant.

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