07025692 is referenced by 178 patents and cites 68 patents.

A golf club (40) having a club head (42) with a face component (60) and an aft-body (61) is disclosed herein. The face component (60) has a striking plate portion (72) and a return portion (74). The aft-body (61) is composed of a crown portion (62), a sole portion (64) and optionally a ribbon section (90). The face component (60) is composed of a metal material, and the aft-body (61) is composed of a metal material selected from the group consisting of magnesium alloys, aluminum alloys, magnesium and aluminum. The striking plate portion (72) preferably has an aspect ratio less than 1.7. The striking plate portion (72) preferably has concentric regions of thickness with the thickness portion in the center (102). The club head (42) 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 (72) surface area in the range of 4.00 square inches to 7.50 square inches.

Title
Multiple material golf club head
Application Number
10/708052
Publication Number
7025692 (B2)
Application Date
February 5, 2004
Publication Date
April 11, 2006
Inventor
Alan Hocknell
Encinitas
CA, US
J Andrew Galloway
Escondido
CA, US
Joel B Erickson
Carlsbad
CA, US
Agent
Elaine H Lo
Michael A Catania
Assignee
Callaway Golf Company
CA, US
IPC
A63B 53/04
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