Games using tangible projectile – Golf – Ball
Patent
1996-03-29
1997-11-11
Marlo, George J.
Games using tangible projectile
Golf
Ball
473365, 473362, A63B 3708, A63B 3712, A63B 3706
Patent
active
056857853
ABSTRACT:
In a wound golf ball comprising a wound core (3) having thread rubber wound on a center (1) to form a thread rubber layer (2) thereon and a cover (4) around the wound core, the thread rubber layer (2) consists of an inner lamina (2a) of lightly wound thread rubber, an intermediate lamina (2b) of tightly wound read rubber, and an outer lamina (2c) of lightly wound thread rubber. The inner lamina occupies 10-35% of the tread rubber volume, the intermediate lamina 35-70% of the tread rubber volume and the outer lamina is 45% of the tread rubber volume. The inner and outer lamina have an elongation which is at least 40% lower than the elongation of the intermediate lamina.
REFERENCES:
patent: 809034 (1906-01-01), Thomas
patent: 1857518 (1932-05-01), Sibley
patent: 2200257 (1940-05-01), Bogoslowsky
patent: 4783078 (1988-11-01), Brown et al.
Kakiuchi Shinichi
Umezawa Junji
Bridgestone Sports Co. Ltd.
Marlo George J.
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