Boots – shoes – and leggings – Boots and shoes – Occupational or athletic shoe
Patent
1984-03-14
1986-07-08
Schroeder, Werner H.
Boots, shoes, and leggings
Boots and shoes
Occupational or athletic shoe
36 28, 36129, 36136, A43B 1318, A43B 732, A43B 1300
Patent
active
045984875
ABSTRACT:
An athletic shoe wherein outward expansion of one or more portions of the shoe's foamed, closed cell polymeric midsole is constrained to increase the amount of energy absorbed by the midsole under a wearer-applied load. Various embodiments of this invention provide for the precompression of the constrained midsole portion to further enhance the midsole's energy-absorbing capability.
REFERENCES:
patent: 1132096 (1915-03-01), Jaedike
patent: 2568974 (1951-09-01), Tarbox
patent: 4255877 (1981-03-01), Bowerman
patent: 4391048 (1983-07-01), Lutz
patent: 4402146 (1983-09-01), Parracho et al.
patent: 4430810 (1984-02-01), Bente
patent: 4459765 (1984-07-01), Power
Colgate-Palmolive Company
Meyers Steven N.
Schroeder Werner H.
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