Athletic shoe midsole design and construction

A - Human Necessities – 43 – B

Patent

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Details

A43B 21/26 (2006.01) A43B 5/06 (2006.01) A43B 13/12 (2006.01) A43B 13/18 (2006.01)

Patent

CA 2308603

A midsole assembly for an athletic shoe comprises an upper midsole 3a and a lower midsole 3b formed of soft elastic material and a corrugated sheet 4 having a heel portion 4a formed with corrugation. The corrugated sheet 4 is interposed between the upper and lower midsoles 3a, 3b. Upwardly and downwardly extending walls 6, 7 and 8 are formed at the medial and lateral sides of the corrugated sheet 4. Thereby, transverse or lateral deformation of the heel portion of the midsole 3 can be securely prevented and running stability can be further improved.

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