Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Norihiko Nakahara0
Date of Patent
June 19, 2007
0Patent Application Number
109561850
Date Filed
October 4, 2004
0Patent Citations Received
0
Patent Primary Examiner
Patent abstract
A golf club head has a ratio of a head mass to a head volume equal to or grater than 3 g/cm2, and a face portion that includes an impact surface is configured by a member made from an aluminum alloy having a maximum tensile strength equal to or greater than 600 MPa. The aluminum alloy is made by using a rapid quenching method. The golf club head can improve the carry distance and the flight direction characteristics of a hit golf ball compared with a conventional golf club head.
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