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US 5,511,791 AGranted
Thread wound golf ball
AssigneeSumitomo Rubber Industries, Ltd.
InventorsTadahiro Ebisuno, Keiji Moriyama, Kazushige Sugimoto, Tsutomu Hirau
Life of this patent
Estimating the term…
Abstract
Disclosed is a thread wound golf ball having uniform flying performances, which causes little scattering of weight and inclusion of air into the liquid center, wherein no separation of the paste is arisen. The thread wound golf ball comprises a liquid center, a thread rubber layer and a cover. The liquid center is composed of a paste and a center bag for coating the paste. A viscosity at 23.degree. C. (measured by a B type viscometer) of the paste is 15 to 70 poise.
Claims8
A thread wound golf ball comprising:
- a liquid center;
- a rubber thread layer wound on said liquid center to form a thread wound core;
- and
- a cover covering said thread wound core, wherein said liquid center comprises a paste and a center bag covering the paste and the paste has a viscosity at 23.degree. C. (measured by a B type viscometer) of 15 to 70 poise.
1 more element
Dependencies are inferred from the claim text.