发明授权
- 专利标题: Golf ball
- 专利标题(中): 高尔夫球
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申请号: US687198申请日: 1996-07-25
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公开(公告)号: US5820486A公开(公告)日: 1998-10-13
- 发明人: Hiroaki Tanaka , Keiji Moriyama
- 申请人: Hiroaki Tanaka , Keiji Moriyama
- 申请人地址: JPX Hyogo-ken
- 专利权人: Sumitomo Rubber Industries Ltd.
- 当前专利权人: Sumitomo Rubber Industries Ltd.
- 当前专利权人地址: JPX Hyogo-ken
- 优先权: JPX7-209969 19950725
- 主分类号: A63B37/00
- IPC分类号: A63B37/00 ; A63B37/12
摘要:
A solid golf ball having a good shot feel and controllability as well as an excellent flight performance and durability which comprises a core and a cover covering the core, wherein the cover has a two layer structure composed of an outer cover and an inner cover, wherein the inner cover is prepared from a resin composition having a flexural modulus of 5,000 to 12,000 Kgf/cm.sup.2 and comprising a polyamide resin having a flexural modulus of 6,000 to 30,000 Kgf/cm.sup.2 with a thermoplastic elastomer having a JIS/A hardness of 30 to 98, in a weight ratio of polyamide: thermoplastic elastomer within the range of 95:5 to 50:50.
公开/授权文献
- US5075878A High resolution measuring device for time difference 公开/授权日:1991-12-24