Two piece molded golf ball

Details Two piece molded golf ball Two piece molded golf ball

1978-07-24

1981-04-28

Lieberman, Allan

Amusement devices: games

Board games, pieces, or boards therefor

Electrical

260 4232, 260 4247, 26099814, 525274, 525301, A63B 3706, A63B 3712

Patent

active

042640750

ABSTRACT:
A golf ball is formed by molding a center of a homogeneous mass of polybutadiene with a metal salt of an unsaturated acid such as zinc dimethacrylate and a filler such as zinc oxide, and a cover of an ionic copolymer is formed about the center by coating as by electrodeposition or by molding. Molding of the center can successfully be carried out quickly above 170.degree. C. and the balls can be driven long distances. The centers can be molded with projections which are used for proper centering when molding a cover thereabout.

REFERENCES:
patent: 3177280 (1965-04-01), Ford et al.
patent: 3454280 (1969-07-01), Harrison et al.
patent: 3553159 (1971-01-01), Miller et al.
patent: 3784209 (1974-01-01), Berman et al.
patent: 3791655 (1974-02-01), Schweiker et al.
patent: 3819768 (1974-06-01), Molitor
patent: 3940146 (1976-02-01), Little
patent: 4056269 (1977-11-01), Pollit et al.
patent: 4082288 (1978-04-01), Martin et al.

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