Golf club head

Details Golf club head Golf club head

2008-09-29

2010-11-16

Hunter, Alvin A (Department: 3711)

Games using tangible projectile

Golf

Club or club support

Reexamination Certificate

active

07833110

ABSTRACT:
A golf club head with a vibration absorber capable of absorbing unpleasant vibrations on off-center hits without absorbing agreeable vibrations on on-center hits is disclosed. The head comprises a head main body made of a metal material, and a vibration absorber made of a visco-elastic material attached to the head main body, wherein the loss tangent of the vibration absorber exhibits its maximum value within a temperature range of −20 to 50 deg.C., the loss tangent at 30 deg.C. is not less than 0.30, and the loss tangent at −40 deg.C. is less than 0.20.

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patent: 2009/0240479 (2009-09-01), Matsunaga et al.
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