GOLF CLUB HEADS AND METHODS TO MANUFACTURE GOLF CLUB HEADS
First Claim
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1. A golf club head comprising:
- a body portion having a toe portion, a heel portion, a top portion, a sole portion, a back portion, and a front portion having a face portion with a thickness extending between a front surface and a back surface, the thickness being less than or equal to 1.5 millimeters (0.06 inch);
an interior cavity extending between the top and sole portions and between the face and back portions;
a bonding portion bonded to the back surface of the face portion at a first temperature; and
an elastic polymer material injection molded in the interior cavity to structurally support the face portion during impact with a golf ball,wherein the elastic polymer material is bonded to the bonding portion at a second temperature greater than the first temperature.
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Abstract
Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion with a toe portion, a heel portion, a top portion, a sole portion, a back portion, and a front portion. The golf club head may include an interior cavity. Other examples and embodiments may be described and claimed.
22 Citations
20 Claims
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1. A golf club head comprising:
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a body portion having a toe portion, a heel portion, a top portion, a sole portion, a back portion, and a front portion having a face portion with a thickness extending between a front surface and a back surface, the thickness being less than or equal to 1.5 millimeters (0.06 inch); an interior cavity extending between the top and sole portions and between the face and back portions; a bonding portion bonded to the back surface of the face portion at a first temperature; and an elastic polymer material injection molded in the interior cavity to structurally support the face portion during impact with a golf ball, wherein the elastic polymer material is bonded to the bonding portion at a second temperature greater than the first temperature. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A golf club head comprising:
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a body portion having a toe portion, a heel portion, a top portion, a sole portion, a back portion, and a front portion having a face portion with a front surface and a back surface; an interior cavity extending between the top and sole portions and between the face and back portions; a bonding portion bonded to the back surface of the face portion; and an elastic polymer material injection molded in the interior cavity to structurally support the face portion during impact with a golf ball, wherein the bonding portion is bonded to the face portion before injection molding the elastic polymer material in the interior cavity, and wherein the elastic polymer material is bonded to the bonding portion after being injection molded in the interior cavity. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. A golf club head comprising:
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a body portion having a toe portion, a heel portion, a top portion, a sole portion, a back portion, and a front portion having a face portion with a front surface and a back surface; an interior cavity extending between the top and sole portions and between the face and back portions; a bonding portion having an initial cure state and a final cure state with a different bonding configuration than the initial cure state, the bonding portion configured to bond to the back surface of the face portion at the initial cure state; and an elastic polymer material injection molded in the interior cavity to structurally support the face portion during impact with a golf ball, the bonding portion configured to bond to the elastic polymer material to the back surface of the face portion at the final cure state. - View Dependent Claims (17, 18, 19, 20)
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Specification