Gas-filled cushioning device

Details Gas-filled cushioning device Gas-filled cushioning device

2004-02-20

2010-12-14

Dye, Rena L (Department: 1782)

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

C428S034100, C428S036600, C428S036700, C428S036800, C428S036910

Reexamination Certificate

active

07851036

ABSTRACT:
A shoe is fabricated from an upper structure and a sole structure wherein the sole structure contains a gas-filled cushioning device composed of a multi-layer film formed into a gas-filled membrane having an interior compartment enclosing at least one capture gas. The multi-layer film comprises an outer layer of an elastomeric thermoplastic material such as a polyurethane, an inner layer of an elastomeric thermoplastic material such as a polyurethane and a barrier layer interposed therebetween which is derived from a combination of at least one ethylene-vinyl alcohol copolymer and up to about 50 wt. % of an aliphatic thermoplastic urethane.

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