Wound golf ball
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United States of America Patent
Stats
-
Oct 7, 1997
Grant Date -
N/A
app pub date -
Aug 1, 1995
filing date -
Aug 3, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A wound golf ball comprising a liquid center, thread rubber wound thereon, and a cover enclosing the wound center, wherein said cover has a multi-layer structure having a total thickness of 1.0 to 4.0 mm and including an outer layer having a first hardness and a thickness of 0.4 to 3.0 mm and an inner layer having a second hardness higher than the first hardness, the outer layer of said cover being formed of a first resin having a Shore D hardness of 40 to 55, and the inner layer is formed of a second resin having a Shore D hardness of 55 to 68, the difference in hardness between the first and second resins being at least 5 in Shore D hardness.
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Cited Art Landscape
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