发明名称 A GOLF CLUB HEAD WITH A FACE COMPOSED OF A FORGED MATERIAL
摘要 <p>A golf club having a club head with a striking plate having a thickness in the range of 0.010 to 0.250 inches is disclosed herein. The club head may be composed of three pieces, a face, a sole and a crown. Each of the pieces may be composed of a titanium material. The striking plate of the club head may have an aspect ratio less than 1.7. The striking plate may also have concentric regions of thickness with the thickness portion in the center. The club head may be composed of a titanium material, have a volume in the range of 175 cubic centimeters to 400 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a string plate surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head may also have 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.</p>
申请公布号 EP1229970(A1) 申请公布日期 2002.08.14
申请号 EP20000976790 申请日期 2000.10.31
申请人 CALLAWAY GOLF COMPANY 发明人 HOCKNELL, ALAN;BOYCE, RONALD, C.;AGUINALDO, HOMER, E.;HELMSTETTER, RICHARD, C.;WOOLLEY, CURTIS, S.;GALLOWAY, J., ANDREW
分类号 A63B53/02;A63B53/04;A63B53/06;B21J5/00;B21K17/00;C22F1/18;C23F1/00;C23F1/26;(IPC1-7):A63B53/04 主分类号 A63B53/02
代理机构 代理人
主权项
地址
您可能感兴趣的专利