发明名称 Golf club head
摘要 A hollow golf club head includes a face portion, a sole portion, a side portion, a crown portion, and a hozel portion. A main portion of the crown portion is made of a fiber reinforced resin. The fiber reinforced resin portion includes a bulk molding compound (BMC) molded body. At least the face portion, a leading edge of the crown portion continuous with the face portion, and a center portion of the sole portion in a toe-heel direction are made of a metal. Alternatively to this configuration, the face portion may be provided with a metal faceplate, a portion subsequent to the face portion may include a BMC molded body, and a rear portion of the crown portion may include a molded laminate of prepreg sheets. The height of center of gravity may be 24 mm or less.
申请公布号 US8926450(B2) 申请公布日期 2015.01.06
申请号 US201313904779 申请日期 2013.05.29
申请人 Bridgestone Sports Co., Ltd. 发明人 Takahashi Hiroshi;Imamoto Yasunori
分类号 A63B53/08;A63B53/04;A63B49/06 主分类号 A63B53/08
代理机构 Sughrue Mion, PLLC 代理人 Sughrue Mion, PLLC
主权项 1. A hollow golf club head comprising a face portion, a sole portion, aside portion, a crown portion, and a hozel portion, wherein a main portion of the crown portion is made of a fiber reinforced resin and the fiber reinforced resin portion includes a bulk molding compound (BMC) molded body, wherein an average length of fibers included in the BMC molded body is 35 to 80 mm, and wherein at least the face portion, a leading edge of the crown portion continuous with the face portion, and a center portion of the sole portion in a toe-heel direction are made of a metal.
地址 Tokyo JP