Shoe sole construction

Boots – shoes – and leggings – Boots and shoes – Occupational or athletic shoe

Patent

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Details

36 28, 36 30R, 36 29, A43B 1318, A43B 2126

Patent

active

050144499

ABSTRACT:
The present invention comprises an intermediate layer for a shoe sole consisting of a hollow shell having convolutions disposed along the periphery thereof. The convolutions are adapted to cushion the foot by compressing when force is applied thereto, and expanding to their original configuration when the force is relieved. An inner filler material may be provided within the shell for added cushioning and resilience.

REFERENCES:
patent: 886801 (1908-05-01), Harmon
patent: 1241142 (1917-09-01), O'Hara
patent: 3087262 (1963-04-01), Russell
patent: 3608215 (1971-09-01), Fukuoka
patent: 4083125 (1978-04-01), Benseler et al.
patent: 4229889 (1980-10-01), Petrosky
patent: 4342158 (1982-08-01), McMahon et al.
patent: 4561140 (1985-12-01), Graham et al.
patent: 4670995 (1987-06-01), Huang
patent: 4680876 (1987-07-01), Peng
patent: 4741114 (1988-05-01), Stubblefield
patent: 4753022 (1988-06-01), Gasbarro
patent: 4768295 (1988-09-01), Ito
patent: 4887367 (1989-12-01), Mackness et al.
patent: 4918838 (1990-04-01), Chang
patent: 4918841 (1990-04-01), Turner et al.
Lydico Shoe Brochure, Atlanta Super Show, Feb. 1990.
Footwear News Article, Dec. 11, 1989.

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