Golf club head and golf club
First Claim
1. A hollow golf club head comprising a body, a face and a crown,wherein the crown includes an outer plate and an inner plate opposed to each other with a gap provided therebetween, the outer plate and the inner plate are partially bonded to each other in a plurality of portions, and wherein a portion between the outer plate and the inner plate is filled with a synthetic resin.
2 Assignments
0 Petitions
Accused Products
Abstract
A head (5) comprises a body (9), a face (11), a neck (13) and a crown (15). The crown (15) includes an outer plate (21) and an inner plate (23). The outer plate (21) and the inner plate (23) are opposed to each other with a gap provided therebetween. The outer plate (21) and the inner plate (23) are formed of a titanium alloy. The inner plate (23) has a projection (25). The upper end of the projection (25) abuts on the lower surface of the outer plate (21). The projection (25) and the outer plate (21) are bonded to each other by a spot welding method. The outer plate (21) and the inner plate (23) have thicknesses of 0.1 mm to 0.6 mm, respectively. The head (5) has a volume of 300 cm3 or more. A portion between the outer plate (21) and the inner plate (23) maybe filled with a synthetic resin.
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Citations
13 Claims
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1. A hollow golf club head comprising a body, a face and a crown,
wherein the crown includes an outer plate and an inner plate opposed to each other with a gap provided therebetween, the outer plate and the inner plate are partially bonded to each other in a plurality of portions, and wherein a portion between the outer plate and the inner plate is filled with a synthetic resin.
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5. A golf club comprising a shaft, a hollow head attached to a front end of the shaft, and a grip in which a rear end of the shaft is fitted,
wherein the head includes a body, a face and a crown, the crown has an outer plate and an inner plate opposed to each other with a gap provided therebetween, the outer plate and the inner plate are partially bonded to each other in a plurality of portions, and wherein a portion between the outer plate and the inner plate is filled with a synthetic resin.
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6. A hollow golf club head comprising a body, a face and a crown,
wherein the crown includes an outer plate and an inner plate opposed to each other with a gap provided therebetween, and the outer plate and the inner plate are partially bonded to each other in a plurality of portions defined by projections or columns extending from a surface of the inner plate.
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7. A hollow golf club head comprising a body, a face and a crown,
wherein the crown includes an outer plate and an inner plate opposed to each other with a gap provided therebetween, the outer plate and the inner plate are partially bonded to each other in a plurality of portions, and the outer plate is formed of a titanium alloy or a stainless steel.
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8. A hollow golf club head comprising a body, a face and a crown,
wherein the crown includes an outer plate and an inner plate opposed to each other with a gap provided therebetween, the outer plate and the inner plate are partially bonded to each other in a plurality of portions, and the inner plate is formed of a titanium alloy, a stainless steel or a fiber reinforced resin.
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9. A hollow golf club head comprising a body, a face and a crown,
wherein the crown includes an outer plate and an inner plate opposed to each other with a gap provided therebetween, the outer plate and the inner plate are partially bonded to each other in a plurality of portions, and the gap has no filling.
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10. A golf club comprising a shaft, a hollow head attached to a front end of the shaft, and a grip in which a rear end of the shaft is fitted,
wherein the head includes a body, a face and a crown, wherein the crown includes an outer plate and an inner plate opposed to each other with a gap provided therebetween, and the outer plate and the inner plate are partially bonded to each other in a plurality of portions defined by projections or columns extending from a surface of the inner plate.
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11. A golf club comprising a shaft, a hollow head attached to a front end of the shaft, and a grip in which a rear end of the shaft is fitted,
wherein the head includes a body, a face and a crown, wherein the crown includes an outer plate and an inner plate opposed to each other with a gap provided therebetween, the outer plate and the inner plate are partially bonded to each other in a plurality of portions, and the outer plate is formed of a titanium alloy or a stainless steel.
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12. A golf club comprising a shaft, a hollow head attached to a front end of the shaft, and a grip in which a rear end of the shaft is fitted,
wherein the head includes a body, a face and a crown, wherein the crown includes an outer plate and an inner plate opposed to each other with a gap provided therebetween, the outer plate and the inner plate are partially bonded to each other in a plurality of portions, and the inner plate is formed of a titanium alloy, a stainless steel or a fiber reinforced resin.
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13. A golf club comprising a shaft, a hollow head attached to a front end of the shaft, and a grip in which a rear end of the shaft is fitted,
wherein the head includes a body, a face and a crown, wherein the crown includes an outer plate and an inner plate opposed to each other with a gap provided therebetween, the outer plate and the inner plate are partially bonded to each other in a plurality of portions, and the gap has no filling.
Specification