Golf club head

Details Golf club head Golf club head

2007-12-25

2007-12-25

Passaniti, Sebastiano (Department: 3711)

Games using tangible projectile

Golf

Club or club support

C473S349000

Reexamination Certificate

active

11102791

ABSTRACT:
A golf club head comprises a metallic main body provided with an opening, and a FRP part covering the opening. The FRP part has a layered structure comprising a plurality of layers each made of a resinous material reinforced with fibers, wherein the layers include a high-loss-tangent layer whose resinous material has a loss tangent tan δa of from 0.5 to 3.0.

REFERENCES:
patent: 6849003 (2005-02-01), Kumamoto
patent: 2003/0032500 (2003-02-01), Nakahara et al.
patent: 2006/0063608 (2006-03-01), Mori et al

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