Swimming flipper

Details Swimming flipper Swimming flipper

1998-08-13

2000-04-25

Avila, Stephen

Buoys, rafts, and aquatic devices

Swimming aid to increase stroke efficiency

Foot attached

A63B 3108

Patent

active

060537884

ABSTRACT:
A swimming flipper of the kind equipped with a blade, on which a shoe-shaped part (open or closed) is moulded, and the blade stretches itself towards the back so as to form a portion of the sole of the shoe-shaped part. Ribbings are obtained during the moulding phase of the shoe-shaped part with the same material as the shoe-shaped part, thus allowing the use of a relatively stiff material for the blade.

REFERENCES:
patent: 3649979 (1972-03-01), MacNiel
patent: 3810269 (1974-05-01), Tabata et al.
patent: 5702277 (1997-12-01), Wagner

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