| 摘要 |
A golf club head has a metal main body with a toe, a heel, a front hitting portion which widens gradually from the heel to the toe, a rear portion opposite to the front hitting portion and formed with a cavity and an annular groove which is disposed around the cavity, and a sole portion which extends between the toe and the heel at lower ends of the front and rear portions. The main body is formed with a curved peripheral groove of predetermined width which extends from the front hitting portion to the rear portion and which is formed adjacent to the heel. The peripheral groove is communicated with the cavity and the annular groove and has two ends which terminate adjacent to the sole portion. The main body further has a hosel with a diameter reduced portion which extends obliquely upward from the heel. A layer of carbon fiber reinforced resin material is provided around the diameter reduced portion and extends into the peripheral groove. A mass of carbon fiber reinforced resin material fills the cavity and the annular groove and is connected integrally to the layer of resin material.
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