Highly elastic footwear sole

Details Highly elastic footwear sole Highly elastic footwear sole

1996-01-11

1997-07-29

Patterson, M. D.

Boots, shoes, and leggings

Soles

Spring heel

36 28, 36 37, 36 38, A43B 1328, A43B 1318

Patent

active

056511965

ABSTRACT:
A highly elastic shoe sole comprises a lower layer, an upper layer, and a flexible cushion sandwiched between the lower layer and the upper layer. The lower layer is provided with a plurality of containers for holding compression springs serving to provide the shoe sole with elastic force. The upper layer of a soft material serves to provide a shoe wearer with a wearing comfort. The flexible cushion of a corrugated construction is provided in the underside thereof with a plurality of grooved portions and ridged portions corresponding in location to the containers of the lower layer.

REFERENCES:
patent: 904891 (1908-11-01), Otterstedt
patent: 2437227 (1948-03-01), Hall
patent: 2454951 (1948-11-01), Smith
patent: 2535102 (1950-12-01), Taylor
patent: 4322893 (1982-04-01), Halvorsen
patent: 4747219 (1988-05-01), Ammendolea
patent: 5513448 (1996-05-01), Lyons
patent: 5537762 (1996-07-01), Walters

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