A golf club head with a face composed of a forged material

Details A golf club head with a face composed of a forged material A golf club head with a face composed of a forged material

A - Human Necessities

63

B

A63B 53/04 (2006.01) A63B 53/02 (2006.01) A63B 53/06 (2006.01) B21J 5/00 (2006.01) B21K 17/00 (2006.01) C22F 1/18 (2006.01) C23F 1/00 (2006.01) C23F 1/26 (2006.01)

Patent

CA 2358402

A golf club (40) having a club head (42) with a striking plate (72) having a thickness in the range of 0.010 to 0.250 inch is disclosed herein. The club head (42) may be composed of three pieces, a face (60), a sole (64) and a crown (64). Each of the pieces (60, 62 and 64) may be composed of a titanium material. The striking plate (72) of the club head (42) may have an aspect ratio less than 1.7. The striking plate (72) may also have concentric regions of thickness with the thickness portion in the center. The club head (42) 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 striking plate (72) surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head (42) 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.

L'invention concerne un club de golf (40) à tête (42) équipée d'une plaque de frappe (72) dont l'épaisseur est comprise entre 0,010 et 0,250 pouce. La tête (42) peut comprendre trois parties, une face (60), une semelle (62) et une couronne (64). Chacune des trois parties (60, 62 et 64) peut être en matériau à base de titane. La plaque de frappe (72) de la tête (42) peut avoir un rapport de forme inférieur à 1,7. La plaque de frappe (72) peut également comporter des régions concentriques à zone d'épaisseur au centre. La tête (42) peut être en matériau à base de titane, et présenter un volume compris entre 175 et 400 cm?3¿, un poids compris entre 165 et 300 grammes, avec une plaque de frappe dont la surface (72) est comprise entre 4 et 7,5 pouces carrés. La tête (42) peut aussi présenter un coefficient de restitution supérieur à 0,8 en conditions d'essai du type conditions d'essai de l'United States Golf Association (USGA) spécifiées conformément à la règle (Rule) 4-1e, appendice (Appendix) II, des règles de golf (Rules of Golf) établies pour la période 1998-1999.

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