Title:
ゴルフボール
Document Type and Number:
Japanese Patent JP4340599
Kind Code:
B2
Abstract:
The present invention provides a golf ball having excellent rebound characteristics and flight performance, while maintaining good durability and appearance. The present invention relates to a golf ball comprising a center, an intermediate layer and a cover, the intermediate layer comprises an outermost layer and a second layer adjacent to the underside of the outermost layer, and the cover has many dimples on the surface thereof, wherein the second layer is formed from thermoplastic resin and has a thickness of 0.5 to 2.0 mm, the outermost layer is formed from thermosetting or thermoplastic resin and has a thickness of 1 to 100 μm, the intermediate layer has depressions on the surface thereof at the position and shape corresponding to the dimples through the cover, and the cover is formed from thermoplastic resin and has a thickness of 0.1 to 0.8 mm in land portion having no dimple.
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Inventors:
Masatoshi Yokota
Seiichiro Endo
Masaaki Kikuchi
Koichi Fujisawa
Ichikawa Kazuhiko
Seiichiro Endo
Masaaki Kikuchi
Koichi Fujisawa
Ichikawa Kazuhiko
Application Number:
JP2004220097A
Publication Date:
October 07, 2009
Filing Date:
July 28, 2004
Export Citation:
Assignee:
sri sports corporation
International Classes:
A63B37/12; A63B37/00; A63B45/00
Domestic Patent References:
| JP2004049913A | ||||
| JP2003154034A | ||||
| JP2004008404A | ||||
| JP2004041734A | ||||
| JP2004049815A | ||||
| JP2002186687A |
Foreign References:
| WO2003068331A1 | ||||
| US5836833 |
Attorney, Agent or Firm:
Aoyama Aoi
Muneo Yamamoto
Yuko Goto
Muneo Yamamoto
Yuko Goto