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    • 8. 发明授权
    • Golf club head
    • 高尔夫球杆头
    • US06354963B1
    • 2002-03-12
    • US09290649
    • 1999-04-12
    • Hitoshi KodamaHidehiro TakemotoTakumi IshimoriKiharu NumataTsuneo Takano
    • Hitoshi KodamaHidehiro TakemotoTakumi IshimoriKiharu NumataTsuneo Takano
    • A63B5304
    • A63B53/04A63B53/0466A63B60/00A63B2053/0408A63B2053/0433A63B2053/0437A63B2209/02A63B2209/023B29C70/44B29C70/885B29L2031/5227
    • A hollow golf club head provides for a longer flight distance, a larger “sweet spot”, and reduced veering in the flight path than a conventional golf club head. The golf club head has a maximum weight of 200 g, a volume in the range from 300 to 900 cc and a moment of inertia of at least 4·10 −4 kg·m2. The head is made from a fiber reinforced epoxy resin which provides at least 30 kg/mm2. Suitable reinforcing fibers include carbon fiber, fiberglass, aramid fiber and polyester fiber. Suitable resin materials include epoxy resin, unsaturated polyester resin and vinyl ester resin. The reinforcing fibers in the resin are arranged such that adjacent layers of reinforcing material are oriented perpendicular to one another. The perpendicular orientation of the fibers provide shock resistance to the head. A high elasticity and high density component, such as tungsten, is dispersed in the resin to provide reduced vibrations and improved acoustics to the head when impacting a ball. The outer layer of the head can be made from a metal material, such as titanium, to minimize damage to the face and the sole of the head due to friction. The club head is formed by: cutting fiber prepregs into a specified shape, placing the cut fiber prepregs into a two-piece concave mold such that the fibers in adjacent layers are aligned perpendicular to one another, closing the two-part concave mold around a nylon tube bag, pressurizing the nylon tube bag as the closed two part mold is heated to 130° C. for 1 hour, and splitting the mold open after heating to provide a hollow golf club head.
    • 一个空心高尔夫球杆头提供了一个较长的飞行距离,一个更大的“甜蜜点”,并减少了飞行路径比传统的高尔夫球杆头。 高尔夫球杆头的最大重量为200g,体积在300至900cc之间,惯性矩至少为4.10 -4 kg.m2。 头部由提供至少30kg / mm2的纤维增强环氧树脂制成。 合适的增强纤维包括碳纤维,玻璃纤维,芳族聚酰胺纤维和聚酯纤维。 合适的树脂材料包括环氧树脂,不饱和聚酯树脂和乙烯基酯树脂。 树脂中的增强纤维被布置成使相邻的增强材料层彼此垂直取向。 纤维的垂直取向为头部提供抗冲击性。 高弹性和高密度组分如钨分散在树脂中,以在撞击球时提供减小的振动和改善头部的声学性能。 头部的外层可以由诸如钛的金属材料制成,以最小化由于摩擦而对头部和头部的损伤。 球杆头通过以下方式形成:将纤维预浸料切割成特定形状,将切割的纤维预浸料坯放入两件式凹模中,使相邻层中的纤维彼此垂直排列,将两部分凹模封闭 尼龙管袋,加压尼龙管袋作为封闭的两部分模具加热至130℃1小时,加热后将模具分开,提供中空高尔夫球杆头。