Swimming flipper with a composite blade and a method for its man

Details Swimming flipper with a composite blade and a method for its man Swimming flipper with a composite blade and a method for its man

1991-01-11

1992-11-17

Swinehart, Edwin L.

Buoys, rafts, and aquatic devices

Swimming aid to increase stroke efficiency

Foot attached

441 61, A63B 3111

Patent

active

051638592

ABSTRACT:
A swimming flipper includes a blade of fairly rigid thermoplastic material and a shoe of elastomeric material or soft thermoplastic rubber. The blade has a partially multi-layered structure including a base layer made of the fairly rigid thermoplastic material and a partial outer layer of a more resilient material which is superimposed on and connected permanently to the base layer.

REFERENCES:
patent: 2588363 (1952-03-01), Corlieu
patent: 3922741 (1975-12-01), Semeia
patent: 4820218 (1989-04-01), Van de Pol
patent: 4954111 (1990-09-01), Cressi
patent: 4954112 (1990-09-01), Negrini

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