Golf club head
First Claim
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1. A golf club head of a hollow shell structure comprising:
- a face portion;
a sole portion;
a side portion;
a crown portion; and
a hosel portion, wherein a principal portion of the crown portion is made of a fiber-reinforced plastic, at least the face portion and a front edge portion of the crown portion continuous with the face portion are made of a metal, and at least a center portion of the face portion is made of an amorphous metal.
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Abstract
A hollow golf club head having a face portion, a sole portion, a side portion, a crown portion, and a hosel portion is configured such that a principal portion of the crown portion is made of a fiber-reinforced plastic (FRP body), and the remaining portions are made of a metal (metal body). An opening is disposed in the face portion, and a face plate made of an amorphous metal is fitted therein, and fixedly attached thereto by means of caulking. The remaining portions of the metal body are made of a crystalline metal.
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Citations
12 Claims
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1. A golf club head of a hollow shell structure comprising:
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a face portion;
a sole portion;
a side portion;
a crown portion; and
a hosel portion, wherein a principal portion of the crown portion is made of a fiber-reinforced plastic, at least the face portion and a front edge portion of the crown portion continuous with the face portion are made of a metal, and at least a center portion of the face portion is made of an amorphous metal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification