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US 4,561,195 AGranted
Midsole assembly for an athletic shoe
AssigneeMizuno Corporation
InventorsKenji Onoda, Yukio Kawasima
Life of this patent
Estimating the term…
Abstract
A midsole assembly for an athletic shoe in which a corrugated sheet is integrally arranged in the midsole thereof. The corrugated sheet provides a proper stiffness of the midsole made of rubber or expandable synthetic resin as well as a proper cushioning property thereof and therefore provides a comfortable feeling when worn, best suited to each athletic activity.
Claims8
A midsole assembly for an athletic shoe, said midsole assembly comprising
- a midsole including a toe region and a heel region,
- a sheet having a higher modulus of longitudinal elasticity than that of the midsole, said sheet being integrally arranged in the midsole and said sheet being in a corrugated form in the longitudinal cross-section of the midsole assembly, and
- a height of the corrugation of said sheet located in the heel region being larger than a height of the corrugation of said sheet located in the toe region for preventing excessive compression of said midsole.
A midsole assembly of claim, wherein said sheet is made by a nonwoven fabric.
A midsole assembly for an athletic shoe, said midsole assembly comprising
- a midsole including a toe region and a heel region, and
- a sheet having a higher modulus of longitudinal elasticity than that of the midsole, said sheet being integrally arranged in the midsole and said sheet being in a flat form in the toe region and a corrugated form in the heel region in the longitudinal cross-section thereof for preventing excessive compression of said midsole.
Dependencies are inferred from the claim text.