Self-inflating cushion and footwear including same

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

2003-05-28

2008-07-08

Miggins, Michael (Department: 1794)

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

C428S036500, C428S071000, C428S076000, C428S036600, C036S029000

Reexamination Certificate

active

07396574

ABSTRACT:
A cushion comprised of at least one chamber 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.

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