Multi-piece solid golf ball

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

1998-11-20

2000-09-12

Gerrity, Stephen F.

Games using tangible projectile

Golf

Ball

473371, 473372, 473373, 473374, 473376, 473377, 473378, A63B 3704, A63B 3706

Patent

active

061170267

ABSTRACT:
A multi-piece solid golf ball includes an inner sphere (1), at least one enclosure layer (2), a cover inner layer (4), and a cover outer layer (5). The inner sphere has a deflection of 3.5-8.0 mm under a load of 100 kg. The enclosure layer is formed of an ionomer resin with a high acid content. The cover outer layer has a Shore D hardness of 40-60, and the cover inner layer has a lower Shore D hardness of 10-50 than the outer layer. The golf ball is improved in flight distance, spin performance, scuff resistance and durability against repetitive shots while giving a soft pleasant feel when hit with any club ranging from a driver to a putter.

REFERENCES:
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patent: 5688595 (1997-11-01), Yamagishi et al.
patent: 5702311 (1997-12-01), Higuchi
patent: 5816944 (1998-10-01), Asakura et al.
patent: 5820492 (1998-10-01), Yamagishi et al.
patent: 5830086 (1998-11-01), Hayashi
patent: 5885172 (1999-03-01), Hebert
patent: 5888151 (1999-03-01), Hayashi
patent: 5948862 (1999-09-01), Sano
patent: 5967907 (1999-10-01), Takemura
patent: 5980396 (1999-11-01), Moriyama
patent: 5994470 (1999-11-01), Tanaka
patent: 6034182 (2000-03-01), Kashiwagi

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