Swimming flipper

Details Swimming flipper Swimming flipper

1993-07-16

1994-10-25

Sotelo, Jesus D.

Buoys, rafts, and aquatic devices

Swimming aid to increase stroke efficiency

Foot attached

A63B 3108

Patent

active

053584392

ABSTRACT:
Swimming flipper (1) comprising a flexible but relatively rigid blade (3) and a relatively soft shoe (2) associated to one end of the blade. The blade (3) has an active portion (5) formed by at least two relatively rigid thermoplastic materials (5a, 5b) joined to each other and of which the second (5b) occupies a central area of the said active portion (5) in which the first material (5a) is absent. Such a central area has a width comprised between 5 and 95% of the active portion (5) of the blade (3). (FIG. 1)

REFERENCES:
patent: 4007506 (1977-02-01), Rasmussen
patent: 4887985 (1989-12-01), Garofalo

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