Mid-sole or sole of shoes

Details Mid-sole or sole of shoes Mid-sole or sole of shoes

1991-10-24

1993-03-02

Sewell, Paul T.

Boots, shoes, and leggings

Soles

Cushion

36 29, 36 43, 36141, A43B 1318, A43B 1320, A43B 1338

Patent

active

051898160

ABSTRACT:
A mid-sole or sole of shoes for massaging the sole of a foot by stimulating it during walking includes recess portions on the upper surface of a bottom plate defined by a wall portion, a plurality of blades in the recess portions extending in a direction perpendicular to the longitudinal direction of the bottom plate and being slanted in the same direction, a flexible cover sealed at the peripheral end portion of the upper surface of the bottom plate, and liquid injected and filled in the space provided between the bottom plate and the cover.

REFERENCES:
patent: 1539283 (1925-05-01), Staats-oels
patent: 2968105 (1961-01-01), Rizzo
patent: 3087262 (1963-04-01), Russell
patent: 4075772 (1978-02-01), Sicurella
patent: 4845861 (1989-07-01), Moumdjian
patent: 4864737 (1989-09-01), Marrello
patent: 4934070 (1990-06-01), Mauger
patent: 4934071 (1990-06-01), Virgini

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