MULTI-MATERIAL GOLF CLUB HEAD
First Claim
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1. A golf club head comprising:
- a striking face portion located at a frontal portion of said golf club head; and
a body portion attached to an aft portion of said striking face portion further comprising a crown portion and a sole portion;
wherein at least one of said crown portion or said sole portion further comprises a base layer and a lightweight cover layer;
said base layer further comprises a plurality of cutouts, andsaid lightweight cover layer has an Internal Exposure Percentage of between about 15% to about 60%; and
wherein said golf club head produces a sound that has a Critical Time Tcritical of greater than about 0.01 seconds and less than about 0.02 seconds;
said Critical Time Tcritical is defined as the amount of time it take said sound to oscillate from a peak amplitude Apeak to a point of 10% of said peak amplitude Apeak.
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Abstract
A golf club head made out of multi-material is disclosed herein. More specifically, the golf club head in accordance with the present invention has at least a portion of the body of the golf club head that is further comprised out of a base layer and a lightweight cover layer. The base layer may have a plurality of cutouts to help reduce unnecessary mass and the lightweight cover layer may be made out of an ultra-lightweight material to further reduce the unnecessary mass. The present invention achieves this without sacrificing the sound performance of the golf club head.
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Citations
20 Claims
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1. A golf club head comprising:
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a striking face portion located at a frontal portion of said golf club head; and a body portion attached to an aft portion of said striking face portion further comprising a crown portion and a sole portion; wherein at least one of said crown portion or said sole portion further comprises a base layer and a lightweight cover layer; said base layer further comprises a plurality of cutouts, and said lightweight cover layer has an Internal Exposure Percentage of between about 15% to about 60%; and wherein said golf club head produces a sound that has a Critical Time Tcritical of greater than about 0.01 seconds and less than about 0.02 seconds;
said Critical Time Tcritical is defined as the amount of time it take said sound to oscillate from a peak amplitude Apeak to a point of 10% of said peak amplitude Apeak. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A golf club head comprising:
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a striking face portion located at a frontal portion of said golf club head; and a body portion attached to an aft portion of said striking face portion further comprising a crown portion and a sole portion; wherein at least one of said crown portion or said sole o further comprises a base layer wherein said golf club head produces a sound that has a Critical Time Tcritical of greater than about 0.01 seconds and less than about 0.02 seconds;
said Critical Time Tcritical is defined as the amount of time it take said sound to oscillate from a peak amplitude Apeak to a point of 10% of said peak amplitude Apeak. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A golf club head comprising:
a striking face portion located at a frontal portion of said golf club head; and a body portion attached to an aft portion of said striking face portion further comprising a crown portion and a sole portion; wherein at least one of said crown portion or said sole portion further comprises a base layer and a lightweight cover layer; said base layer does not contain any cutouts, and said lightweight cover layer has an Internal Exposure Percentage of 0%; and wherein said golf club head produces a sound that has a Critical Time Tcritical of greater than about 0.01 seconds and less than about 0.02 seconds;
said Critical Time Tcritical is defined as the amount of time it take said sound to oscillate from a peak amplitude Apeak to a point of 10% of said peak amplitude Apeak.
Specification