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发明名称
棒球之改良构造(一)
摘要
本案创作系为一种棒球之改良构造(一),其概由一高密度软木核外包覆两层高弹性橡胶层所构成之球心、粗细不同之混纺羊毛线或其他纺纱线所缠绕形成之若干积层及球皮所构成;其中,该若干的积层间至少加设一层由高弹性之线材所缠绕形成之弹性积层,而藉由该弹性积层得以令棒球之反弹系数曲线更为平稳,而使棒球之使用更具良好性能及安全性、公平性、合理性者。
申请公布号
TW379584
申请公布日期
2000.01.11
申请号
TW088205166
申请日期
1999.04.01
申请人
杨文祥
发明人
杨文祥
分类号
A63B37/12
主分类号
A63B37/12
代理机构
代理人
主权项
一种棒球之改良构造(一),其概由一密度软木核外包覆两层高弹性橡胶层所构成之球心、粗细不同之混纺羊毛线或其他纺纱线所缠绕形成之若干积层及球皮所构成;而其特征乃在于:该若干的积层间至少加设一层由高弹性之线材所缠绕形成之弹性积层者。图式简单说明:第一图:目前所习用之棒球之剖视构造图。第二图:目前所习用之棒球之反弹系数曲线图。第三图:本案创作之剖视构造图。第四图:本案创作之反弹系数曲线图。
地址
高雄巿新兴区中东街二○一号
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