Golf ball
    21.
    发明授权

    公开(公告)号:US10207155B2

    公开(公告)日:2019-02-19

    申请号:US14754156

    申请日:2015-06-29

    Abstract: An object of the present invention is to provide a golf ball showing a low spin rate on driver shots and a high spin rate on approach shots. The present invention provides a golf ball comprising a spherical center, at least two envelope layers covering the spherical center, and a cover covering the envelope layers, wherein an envelope layer (Es1) formed from a material having a lowest material hardness among a center constituent material and envelope layers constituent materials, is disposed in a region located at a distance from 36.0% to 65.0% of a golf ball radius from a center point of the golf ball.

    Golf club grip and golf club
    25.
    发明授权
    Golf club grip and golf club 有权
    高尔夫球杆手柄和高尔夫球杆

    公开(公告)号:US09586113B2

    公开(公告)日:2017-03-07

    申请号:US14928311

    申请日:2015-10-30

    Abstract: An object of the present invention is to provide a golf club grip comprising a layer containing a polar rubber and a layer containing a nonpolar rubber, and excellent in tensile strength. The present invention provides a golf club grip comprising a polar rubber layer and a nonpolar rubber layer, wherein the polar rubber layer is formed from a rubber composition containing a base rubber including a polar rubber in an amount of 50 mass % or more, the nonpolar rubber layer is formed from a rubber composition containing a base rubber including a nonpolar rubber in an amount of 50 mass % or more, the polar rubber layer and the nonpolar rubber layer are laminated via an interlayer formed from an interlayer composition containing an olefin rubber.

    Abstract translation: 本发明的目的是提供一种高尔夫球杆把手,其包括含有极性橡胶的层和含有非极性橡胶的层,拉伸强度优异。 本发明提供一种包括极性橡胶层和非极性橡胶层的高尔夫球杆手柄,其中极性橡胶层由含有50质量%以上的极性橡胶的基础橡胶的橡胶组合物形成,非极性橡胶层 橡胶层由含有50质量%以上的非极性橡胶的基础橡胶的橡胶组合物形成,极性橡胶层和非极性橡胶层通过由含有烯烃橡胶的中间层组合物形成的中间层合。

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