Vulcanized composite sole for footwear

Details Vulcanized composite sole for footwear Vulcanized composite sole for footwear

1986-04-23

1987-06-30

Kee Chi, James

Boots, shoes, and leggings

Soles

Rubber

36 30R, 36 31, 36 59A, 36114, A43B 1304, A43B 1316, A43B 1318

Patent

active

046760105

ABSTRACT:
A lightweight, flexible, resilient sole adapted for athletic footwear including a relatively soft midsole made of a synthetic 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.

REFERENCES:
patent: 4085526 (1978-04-01), Hemmer
patent: 4130947 (1978-12-01), Denu
patent: 4255874 (1981-03-01), Sironi
patent: 4271606 (1981-06-01), Rudy
patent: 4335530 (1982-06-01), Stubblefield
patent: 4439936 (1984-04-01), Clarke et al.
patent: 4455765 (1984-06-01), Sjosward
patent: 4551930 (1985-11-01), Graham et al.
patent: 4614046 (1986-09-01), Dassler
Brooks-Think of it as Software for your Feet, 1985 Brooks Shoe Inc, Rockford, MI 49851, A subsidary of Wolvering World Wide Inc.

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