Vulcanized composite sole for footwear

Details Vulcanized composite sole for footwear Vulcanized composite sole for footwear

A - Human Necessities

43

B

12/112, 36/6

A43B 5/00 (2006.01)

Patent

CA 1229728

ABSTRACT OF THE DISCLOSURE A lightweight, flexible, resilient sole adapted for athletic footwear including a relatively soft midsole made of a synthetic rubber-like elastomer such as ethylene vinyl acetate, the midsole being wedge-shaped and including a relatively thick heel section and a relatively thin and flexible forepart section, and a plurality of discontinuous independent outsole pieces made of a relatively hard and wear-resistant synthetic rubber, such as styrene-butadiene rubber, the outsole pieces being disposed across the forepart section of the midsole with open spaces between the outsole pieces to maintain the flexibility of the forepart section, with the outsole pieces being vulcanized to the lower surface of the midsole to form a composite sole.

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