Spin milled grooves for a golf club

Details Spin milled grooves for a golf club Spin milled grooves for a golf club

2007-08-16

2010-02-02

Cozart, Jermie E (Department: 3726)

Metal working

Method of mechanical manufacture

Shaping one-piece blank by removing material

C029S558000, C473S330000, C473S331000

Reexamination Certificate

active

07653980

ABSTRACT:
The present invention is directed to a method of forming a golf club head with an improved striking surface. The grooves are machined into the strike surface with tight tolerances. The grooves have sharp edges, radiused ends, and a draft angle between about 2° and 12°. The striking face is machined such that it has a uniform texture with a roughness of more than 40 Ra.

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patent: 8191908 (1996-07-01), None
Japanese Office Action dated May 20, 2009 of corresponding Japanese Patent Application No. 2007-195210.

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