MULTI-METAL GOLF CLUBS
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Accused Products
Abstract
A composite material golf club head is provided having a body made from a first metal and a face insert press fitted to a portion of the body and made from a second metal The metals are chosen so that the first metal is heavier than the second metal. The second metal is disposed towards the front and top of the body, and is preferably hard-anodized. In addition, an interlocking structure, for example rectangular or dove tail shaped channels, is provided in the body so that the face insert becomes embedded in the interlocking structure to anchor the face insert to the body. Portions of the golf club head, such as the face insert or sole plate, are anodized to protect against corrosion. The anodized coating is colored to improve aesthetic characteristics or infused with a polymer to increase or reduce friction.
Disclosed herein is a golf club head having a body portion and a face insert. The front of the body portion further comprises a cutout sized and dimensioned to receive the face insert. The body portion is preferably made from a high-strength metal such as stainless steel, titanium or titanium alloy. The face insert is preferably comprised of a metal having a lower density than that of the body portion. The face insert comprises an aluminum metal matrix composite (MMC) containing an amount of scandium and zirconium. The golf club head may also include a top line insert made of a lightweight material and at least one heavy weight member disposed to the back of the club head.
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Citations
52 Claims
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1-32. -32. (canceled)
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33. A golf club head comprising:
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a body portion, the body portion comprising a first material; a face insert attached to the front of the body portion, the face insert comprising a second material; wherein the face insert is attached to the body portion by swaging a portion of the body over the face insert to retain the face insert. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41)
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42. A golf club head comprising:
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a body portion, the body portion comprising a first material; a face insert attached to the front of the body portion, the face insert comprising a second material; the face insert having a perimeter area; the body portion further comprising a ledge configured to receive the face insert; wherein the face insert is attached to the body portion by a resin. - View Dependent Claims (43, 44, 45, 46, 47, 48, 49, 50, 51)
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52. A golf club head comprising:
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a body portion, the body portion comprising a first material; a face insert attached to the front of the body portion, the face insert comprising a second material; at least one screw; the body portion further comprising holes configured to receive the at least one screw; the face insert further comprising holes through which the at least one screw attaches the face insert to the body portion.
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Specification