Golf culb with filler material in the head
First Claim
1. In a golf club comprising a grip section, an elongated shaft attached to the grip section, and an enlarged head attached to the shaft and defining a cavity therein, the improvement comprising a filler material contained in the cavity and adhering to an inside wall of the head for dampening the vibration of the club upon impacting a golf ball, and said filler material occupying at least 50% and less than 100% of the total volume of the cavity and comprising cork particles, a urethane oligomer for bonding the cork particles together, and an adhesion promoter for adhering the cork particles directly to the inside wall of the head.
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Abstract
A vibration-dampening golf club has a grip section, an elongated shaft attached to the grip section, and an enlarged head attached to the shaft and defining a cavity therein. A filler material is contained in the cavity and adheres to an inside wall of the head for dampening the vibration of the club upon impacting a golf ball. The filler material includes cork particles.
93 Citations
7 Claims
- 1. In a golf club comprising a grip section, an elongated shaft attached to the grip section, and an enlarged head attached to the shaft and defining a cavity therein, the improvement comprising a filler material contained in the cavity and adhering to an inside wall of the head for dampening the vibration of the club upon impacting a golf ball, and said filler material occupying at least 50% and less than 100% of the total volume of the cavity and comprising cork particles, a urethane oligomer for bonding the cork particles together, and an adhesion promoter for adhering the cork particles directly to the inside wall of the head.
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7. In a metal wood golf club comprising a grip section, an elongated shaft attached to the grip section, and an enlarged head attached to the shalt and defining a cavity therein, the improvement comprising a filler material contained in the cavity and adhering to at least a top inside wall of the head and a ball-striking face for dampening the vibration of the club upon impacting a golf ball, said filler material occupying at least 50% and less than 100% of the total volume of the cavity and comprising cork particles, a urethane oligomer for bonding the cork particles together, and an adhesion promoter for adhering the bonded cork particles directly to the inside wall of the head.
Specification