| 摘要 |
There are described a plurality of composite structures of a golf clubhead of a so-called "metal wood" in order to enlarge the sweet area on a ball hitting surface thereof. A method of manufacturing such golf clubheads is also described. A golf clubhead is described having an enlarged hollow portion therein by combining a plurality of crusts formed by press working of metal plates such as titanium, titanium alloy or the like. The thickness of each crusts is capable of being easily adjusted, so that the center of gravity of the golf clubhead can be positioned toward the back, which allows the sweet area to be enlarged.
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