发明名称 ゴルフクラブヘッド
摘要 A golf club head of the present invention includes a face. The face has a score line groove, a fine groove, and a land area. A depth of the fine groove is 0.01 mm or greater and less than 0.03 mm. A width of the fine groove is 0.1 mm or greater and 0.3 mm or less. A pitch of the fine groove is 0.3 mm or greater and 0.7 mm or less. Preferably, the face further has a protruding part protruding beyond the land area. Preferably, the protruding part is provided on a top blade side of the fine groove. Preferably, the protruding part extends along the fine groove.
申请公布号 JP5950624(B2) 申请公布日期 2016.07.13
申请号 JP20120043126 申请日期 2012.02.29
申请人 ダンロップスポーツ株式会社 发明人 加藤 聡
分类号 A63B53/04 主分类号 A63B53/04
代理机构 代理人
主权项
地址