Callaway Golf Company

Callaway Golf Club

James M Murphy

Herbert Reyes

J Andrew Galloway

Richard C Helmstetter

Matthew T Cackett

Alan Hocknell

Augustin W Rollinson

D Clayton Evans

Peter L Soracco

Daniel R Jacobson

Robert S Gonczi

Garth W Smith

Uday V Deshmukh

Steven M Ehlers

James C Wenck

Donald A Bistline

Herb Reyes

James A Nycum

Brian S Smith

Herebert Reyes

Peter L Sorocco

Andrew J Goodjohn

Pin Fan

Andrew A Goodjohn

Andrew J Galloway

A golf club () having a club head () with a face component () and an aft body () is disclosed herein. The face component () has a striking plate portion () and a return portion (). The aft-body () is composed of a crown portion (), a sole portion () and optionally a ribbon section (). The face component () is composed of a metal material, and the aft-body () is composed of a non-metal material such as a composite material or a thermoplastic material. The striking plate portion () preferably has an aspect ratio less than 1.7. The striking plate portion () preferably has concentric regions of thickness with the thickness portion in the center (). The club head () has a volume in the range of 290 cubic centimeters to 600 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate portion () surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head () has a coefficient of restitution greater than 0.81 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.

Multiple material golf club head

A golf club () having a club head () with a face component () and an aft-body () is disclosed herein. The face component () has a striking plate portion () and a return portion (). The aft-body () is composed of a crown portion (), a sole portion () and optionally a ribbon section (). The face component () is composed of a metal material, and the aft-body () is composed of a non-metal material such as a composite material or a thermoplastic material. The striking plate portion () preferably has an aspect ratio less than 1.7. The striking plate portion () preferably has concentric regions of thickness with the thickness portion in the center (). The club head () has a volume in the range of 290 cubic centimeters to 600 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate portion () surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head () has a coefficient of restitution greater than 0.81 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998&#x2013;1999.

A golf club () having a club head () with a face component () and an aft body () is disclosed herein. The face component () has a striking plate portion () and a return portion (). The aft-body () is composed of a crown portion (), a sole portion () and optionally a ribbon section (). The face component () is composed of a metal material, and the aft-body () is composed of a non-metal material such as a composite material or a thermoplastic material. The striking plate portion () preferably has an aspect ratio less than 1.7. The striking plate portion () preferably has concentric regions of thickness with the thickness portion in the center ().

A golf club () having a club head () with a face component () and an aft body () is disclosed herein. The face component () has a striking plate portion () and a return portion (). The aft-body () is composed of a crown portion (), a sole portion () and optionally a ribbon section (). The face component () is composed of a metal material, and the aft-body () is composed of a non-metal material such as a composite material or a thermoplastic material. The striking plate portion () preferably has an aspect ratio less than 1.7. The striking plate portion () preferably has concentric regions of thickness with the thickness portion in the center (). The club head () has a volume in the range of 290 cubic centimeters to 600 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate portion () surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head () has a coefficient of restitution greater than 0.81 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998&#x2013;1999.

A golf club () having a club head () with a face component () and an aft body () is disclosed herein. The face component () has a striking plate portion () and a return portion (). The aft-body () is composed of a crown portion (), a sole portion () and optionally a ribbon section (). The face component () is composed of a metal material, and the aft-body () is composed of a non-metal material The striking plate portion () preferably has concentric regions of thickness. The club head () has a volume in the range of 290 cubic centimeters to 600 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate portion () surface area in the range of 4.00 square inches to 7.50 square inches.

A method and apparatus for manufacturing a preform component for a golf club head composed of a plurality of plies of pre-preg material is disclosed herein. The preform component is preferably a face component, a crown component or a sole component, composed of a plurality of plies of pre-preg material. The apparatus preferably has a plunger head attached to a pneumatic cylinder for compressing the plies of pre-preg sheets within a mold cavity configured to define a preform component.

Method for manufacturing a composite golf club head

A golf club () having a club head () with a face component () and an aft-body () is disclosed herein. The face component () has a striking plate portion () and a return portion (). The aft-body () is composed of a crown portion (), a sole portion () and optionally a ribbon section (). The face component () is composed of a metal material, and the aft-body () is composed of a non-metal material such as a composite material or a thermoplastic material. The striking plate portion () preferably has concentric regions of thickness with the thickness portion in the center ().

A fairway wood type golf club having a club head with a major body and a minor body is disclosed herein. The major body is composed of a metal material and has a striking plate section, a return section, a sole section, a ribbon section and a ledge portion. The minor body is preferably composed of a composite material and has a crown section and a ribbon section. The striking plate section preferably has variable face thickness. The minor body is preferably attached by a liquid adhesive to the ledge section of the major body.

A golf club ( ) having a club head ( ) with a face component ( ) and an aft body ( ) is disclosed herein. The face component ( ) has a striking plate portion ( ) and a return portion ( ). The aft-body ( ) is composed of a crown portion ( ), a sole portion ( ) and optionally a ribbon section ( ). The face component ( ) is composed of a metal material, and the aft-body ( ) is composed of a non-metal material such as a composite material or a thermoplastic material. The striking plate portion ( ) preferably has an aspect ratio less than 1.7. The striking plate portion ( ) preferably has concentric regions of thickness with the thickness portion in the center ( ). The club head ( ) has a volume in the range of 290 cubic centimeters to 600 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate portion ( ) surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head ( ) has a coefficient of restitution greater than 0.81 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.

Apparatus for manufacturing a composite golf club head

A fairway wood type golf club having a club head with a major body and a minor body is disclosed herein. The major body is composed of an amorphous metal material and has a striking plate section, a return section, a sole section, a ribbon section and a ledge portion. The minor body is preferably composed of a composite material and has a crown section and a ribbon section. The striking plate section preferably has variable face thickness. The minor body is preferably attached by a liquid adhesive to the ledge section of the major body.

A golf club having a club head with a face component composed of a plurality of plies of pre-preg material and having a striking plate portion with a thickness in the range of 0.050 to 0.250 inches is disclosed herein. The golf club head also has a coefficient of restitution greater than 0.8 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999. The golf club also has a crown component composed of a plurality of plies of pre-preg material and a sole component composed of a plurality of plies of pre-preg material.

Growing community of inventors

Oceanside, CA, United States of America

James M Murphy