Golf club head with composite face
First Claim
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1. A golf club head comprising a component composed of a composition comprising:
- a first plurality of prepreg plies;
a second plurality of prepreg plies; and
a variable thickness core material,wherein the variable thickness core material is permanently sandwiched between the first plurality of prepreg plies and the second plurality of prepreg plies,wherein the variable thickness core comprises a sheet molding compound comprising bundles of aligned carbon fibers and at least one reinforcing fiber material,wherein the carbon fiber bundles have random orientations within the sheet molding compound,wherein the carbon fiber bundles are pre-spread prior to being processed into the sheet molding compound,wherein the at least one reinforcing fiber material is selected from the group consisting of carbon, fiberglass, and aramid,wherein the component comprises a variable thickness pattern,wherein the component satisfies at least one equation selected from the group consisting of
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Abstract
A novel material comprising collections of prepreg plies and a variable thickness core material such as sheet molding compound or metal, methods of forming said material, and golf clubs comprising said material are disclosed herein.
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Citations
9 Claims
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1. A golf club head comprising a component composed of a composition comprising:
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a first plurality of prepreg plies; a second plurality of prepreg plies; and a variable thickness core material, wherein the variable thickness core material is permanently sandwiched between the first plurality of prepreg plies and the second plurality of prepreg plies, wherein the variable thickness core comprises a sheet molding compound comprising bundles of aligned carbon fibers and at least one reinforcing fiber material, wherein the carbon fiber bundles have random orientations within the sheet molding compound, wherein the carbon fiber bundles are pre-spread prior to being processed into the sheet molding compound, wherein the at least one reinforcing fiber material is selected from the group consisting of carbon, fiberglass, and aramid, wherein the component comprises a variable thickness pattern, wherein the component satisfies at least one equation selected from the group consisting of - View Dependent Claims (2)
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3. A golf club head comprising:
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a body comprising a top portion, a bottom portion, and a face portion; and a first patch composed of a composition comprising; a first plurality of prepreg plies; a second plurality of prepreg plies; and a variable thickness core material, wherein the variable thickness core material is permanently sandwiched between the first plurality of prepreg plies and the second plurality of prepreg plies, wherein the variable thickness core material comprises a sheet molding compound comprising bundles of aligned carbon fibers and at least one reinforcing fiber material, wherein the carbon fiber bundles have random orientations within the sheet molding compound, wherein the carbon fiber bundles are pre-spread prior to being processed into the sheet molding compound, wherein the at least one reinforcing fiber material is selected from the group consisting of carbon, fiberglass, and aramid, wherein the first patch is affixed to an inner surface of the face portion, and wherein the face portion comprises at least one hole through which a portion of the first patch is visible. - View Dependent Claims (4, 5, 6, 7, 8, 9)
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Specification
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Current AssigneeCallaway Golf Company (Topgolf Callaway Brands Corp.)
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Original AssigneeCallaway Golf Company (Topgolf Callaway Brands Corp.)
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InventorsDeMille, Brandon D., Ehlers, Steven M.
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Primary Examiner(s)Passaniti, Sebastiano
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Application NumberUS14/158,963Time in Patent Office785 DaysField of Search473287-292, 473324-350US Class Current1/1CPC Class CodesA63B 2209/02 with reinforcing fibres, e....A63B 2209/023 Long, oriented fibres, e.g....A63B 53/04 HeadsA63B 53/042 the face insert consisting ...A63B 53/0425 the face insert comprising ...A63B 53/0458 with non-uniform thickness ...A63B 60/00 Details or accessories of g...
