Uninflated tethered football practice kicking aid

Details Uninflated tethered football practice kicking aid Uninflated tethered football practice kicking aid

1989-11-29

1991-02-12

Brown, Theatrice

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

273 65EE, 273 65R, A63B 6700

Patent

active

049918400

ABSTRACT:
A football fabricated of a specific injection molded thermoplastic polyester elastomer is described. A tethered football practice kicking aid, comprised of a tether, stakes and the described football with holes therein through which the tether is passed is also described. The injection molded thermoplastic polyester elastomer has a flexural modulus of 117 MPa [17,000 psi], a nominal durometer hardness of 470, a melt flow rate of 5.5 g/min., a melting point at peak of endotherm of 208.degree. C. and at the extrapolated end point of 225.degree. C., a compression set after 22 hours at 70.degree. C. [158.degree. F.] 2.8 MPa [400 psi] load of 2 and a specific gravity of 2.

REFERENCES:
patent: 3227450 (1966-01-01), Pruitt
patent: 3525523 (1970-08-01), Bellagamba et al.
patent: 3729194 (1973-04-01), Barnett
patent: 3884466 (1975-05-01), McDonald et al.
patent: 4003574 (1977-01-01), McDonald et al.
patent: 4350338 (1982-09-01), May
Plastic World, Oct. 1985, pp. 32, 33.

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