Patent Number: 7,824,279

Title: Golf club head

Abstract: This invention provides a golf club head including a plurality of score lines on a face. In the golf club head according to this invention, the angle between each side surface of the score lines and the face is 48.degree. or more. Edges of the score lines are formed to be positioned within a second virtual circle with a radius of 0.011 inches, the second virtual circle being concentric with a first virtual circle which internally touches the side surface of the score line and the face with a radius of 0.010 inches.

Inventors: Ban; Wataru (Chichibu, JP), Sato; Fumiaki (Chichibu, JP), Wada; Kozue (Chichibu, JP)

Assignee: Bridgestone Sports Co., Ltd

International Classification: A63B 53/04 (20060101)

Expiration Date: 2019-11-02 0:00:00