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公开(公告)号：EP1240924B1
公开(公告)日：2006-06-07
申请号：EP01954413.9
申请日：2001-08-01
申请人： MIZUNO CORPORATION
发明人： IWATA, Mototaka, MIZUNO CORPORATION , TOSHINARI, Isamu, MIZUNO CORPORATION , WATANABE, Tomomi, MIZUNO CORPORATION , SARAIE, Mamoru, MIZUNO CORPORATION , CHAEN, Kiyotaka, MIZUNO CORPORATION
CPC分类号： A63B53/04 , A63B53/047 , A63B60/00 , A63B60/52 , A63B2053/005 , A63B2053/0408 , A63B2053/0433 , A63B2053/0491
摘要： A groove is provided a surface on a cavity portion side of a sole portion in a head portion of an iron golf club, and a thickness of a ball hitting portion in a face portion is made larger than a thickness of a top edge side portion of the face portion and at least as large as a thickness of a sole side portion of the face portion. In a golf club set according to the present invention, the groove has the greatest depth in a long iron golf club, while the groove has the smallest depth in a short iron golf club or no groove is provided in the short iron golf club.
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公开(公告)号：EP1240924A1
公开(公告)日：2002-09-18
申请号：EP01954413.9
申请日：2001-08-01
申请人： Mizuno Corporation
发明人： IWATA, Mototaka, MIZUNO CORPORATION , TOSHINARI, Isamu, MIZUNO CORPORATION , WATANABE, Tomomi, MIZUNO CORPORATION , SARAIE, Mamoru, MIZUNO CORPORATION , CHAEN, Kiyotaka, MIZUNO CORPORATION
CPC分类号： A63B53/04 , A63B53/047 , A63B60/00 , A63B60/52 , A63B2053/005 , A63B2053/0408 , A63B2053/0433 , A63B2053/0491
摘要： A groove (6) is provided a surface on a cavity portion (2) side of a sole portion (4) in a head portion (1) of an iron golf club, and a thickness of a ball hitting portion in a face portion is made larger than a thickness of a top edge side portion (12) of the face portion and at least as large as a thickness of a sole side portion (13) of the face portion. In a golf club set according to the present invention, the groove (6) has the greatest depth in a long iron golf club, while the groove (6) has the smallest depth in a short iron golf club or no groove is provided in the short iron golf club.
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