Practice golf ball

Details Practice golf ball Practice golf ball

1999-07-06

2000-04-04

Ricci, John A.

Games using tangible projectile

Golf

Practice projectile

473368, A63B 6936, A63B 3700

Patent

active

060454547

ABSTRACT:
A practice golf ball is produced by sewing up at least two pieces of preferably symmetrical surface cloth to form a ball shell defining a spherical space therein and evenly stuffing fibrous material into the spherical inner space via an opening left on a seam between the sewed-up surface cloths. The opening is then sewed up to seal the fibrous material in the ball shell. A thermosetting resin is injected into a geometrical center of the ball shell. When the resin is cooled and set, it binds the fibrous material at the geometrical center and forms a weighted core that provides a stable center of gravity for the completed practice golf ball.

REFERENCES:
patent: 2342603 (1944-02-01), Ryan
patent: 2343160 (1944-02-01), Smith
patent: 3288469 (1966-11-01), Shaw
patent: 4886275 (1989-12-01), Walker
patent: 4995613 (1991-02-01), Walker
patent: 5630763 (1997-05-01), Li-Tsan

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