Amusement devices: games – Board games – pieces – or boards therefor – Electrical
Patent
1991-04-18
1993-03-02
Marlo, George J.
Amusement devices: games
Board games, pieces, or boards therefor
Electrical
264293, 29899, A63B 3714
Patent
active
051902940
ABSTRACT:
A golf ball has no great circles intersecting dimples. A method for manufacturing the golf ball uses the steps of molding the golf ball with a pair of semispherical molds having many dimple patterns formed on the inner surface thereof so as to form first dimples on the surface of the golf ball. Then a burr formed on the connecting portion between upper and lower molds is removed and dimples are subsequently formed and/or corrected on the connecting portion.
REFERENCES:
patent: 4141559 (1979-02-01), Melvin
patent: 4813677 (1989-03-01), Oka et al.
patent: 4915389 (1990-04-01), Ihara
Marlo George J.
Sumitomo Rubber Industries Ltd.
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