Golf club head with composite face
First Claim
Patent Images
1. A golf club head comprising:
- a face cup comprising an exterior face surface and a face recess disposed within the exterior face surface;
an aft body affixed to the face cup;
a composite face insert comprising an exterior insert surface and an insert recess disposed within the exterior insert surface; and
a cap,wherein the face cup is formed separately from the aft body,wherein the composite face insert comprises a first plurality of prepreg plies, a second plurality of prepreg plies, and a variable thickness core that 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 carbon fiber bundles having random orientations,wherein the carbon fiber bundles are pre-spread prior to being processed into the sheet molding compound,wherein the composite face insert is disposed within the face recess,wherein the cap is disposed within the insert recess,wherein the cap is smaller than the composite insert so that a portion of the exterior insert surface is visible when the golf club head is fully assembled, andwherein the cap, exterior insert surface, and exterior face surface form a smooth striking surface.
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Accused Products
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. Golf club heads having faces made of multiple materials, including a composite layer at least partially sandwiched between two metal layers, are also disclosed herein.
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Citations
11 Claims
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1. A golf club head comprising:
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a face cup comprising an exterior face surface and a face recess disposed within the exterior face surface; an aft body affixed to the face cup; a composite face insert comprising an exterior insert surface and an insert recess disposed within the exterior insert surface; and a cap, wherein the face cup is formed separately from the aft body, wherein the composite face insert comprises a first plurality of prepreg plies, a second plurality of prepreg plies, and a variable thickness core that 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 carbon fiber bundles having random orientations, wherein the carbon fiber bundles are pre-spread prior to being processed into the sheet molding compound, wherein the composite face insert is disposed within the face recess, wherein the cap is disposed within the insert recess, wherein the cap is smaller than the composite insert so that a portion of the exterior insert surface is visible when the golf club head is fully assembled, and wherein the cap, exterior insert surface, and exterior face surface form a smooth striking surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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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., Watson, William C.
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Primary Examiner(s)Passaniti, Sebastiano
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Application NumberUS14/219,814Time in Patent Office727 DaysField of Search473324-350, 473287-292US Class Current1/1CPC Class CodesA63B 2209/00 Characteristics of used mat...A63B 2209/02 with reinforcing fibres, e....A63B 53/04 HeadsA63B 53/0416 Heads having an impact surf...A63B 53/0425 the face insert comprising ...A63B 53/0429 the face insert comprising ...A63B 53/0445 Details of grooves or the l...A63B 53/0466 wood-typeA63B 60/00 Details or accessories of g...
