Spin milled grooves for a golf club

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

2007-09-25

2007-09-25

Passaniti, Sebastiano (Department: 3711)

Games using tangible projectile

Golf

Club or club support

C473S331000

Reexamination Certificate

active

10902064

ABSTRACT:
The present invention is directed to 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.

REFERENCES:
patent: 4413825 (1983-11-01), Sasse
patent: 4529203 (1985-07-01), Ribaudo
patent: 4869508 (1989-09-01), Miller
patent: 5437088 (1995-08-01), Igarashi
patent: 6224497 (2001-05-01), Antonious
patent: 6814673 (2004-11-01), Wahl et al.
patent: 7014568 (2006-03-01), Pelz
patent: 2004/0087387 (2004-05-01), Wahl et al.
patent: 2004/0214654 (2004-10-01), Pelz
patent: 2006/0154739 (2006-07-01), Mann et al.

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