Multi-piece solid golf ball

Details Multi-piece solid golf ball Multi-piece solid golf ball

1996-04-25

1997-12-30

Marlo, George J.

Games using tangible projectile

Golf

Ball

473374, 473376, A63B 3706, A63B 3712

Patent

active

057023115

ABSTRACT:
In a multi-piece solid golf ball wherein a solid core of a multilayer structure including an innermost core and at least one intermediate layer enclosing the innermost core is surrounded by a cover, the golf ball has a specific gravity of 1.0-1.1 g/cm.sup.3 and a distortion A of 2.5-4.0 mm under a load of 100 kg, the innermost core has a distortion B of 3.0-6.0 mm under a load of 100 kg, wherein 1.2.ltoreq.B/A.ltoreq.1.7, and the cover has a greater hardness than the hardness of the innermost core. The ball will follow an appropriate high trajectory when hit by those golf players with a head speed of less than 40 m/sec. The ball is improved in flying performance, flying distance, feeling, impact, and durability.

REFERENCES:
patent: 4085937 (1978-04-01), Schenk
patent: 4863167 (1989-09-01), Matsuki et al.
patent: 5002281 (1991-03-01), Nakahara et al.
patent: 5072944 (1991-12-01), Nakahara et al.
patent: 5490674 (1996-02-01), Hamada et al.
patent: 5553852 (1996-09-01), Higuchi et al.
patent: 5556098 (1996-09-01), Higuchi et al.

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