Golf club head

Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target

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Details

273167H, 273173, A63B 5304

Patent

active

054112559

ABSTRACT:
In a metallic golf club head provided with a hollow chamber portion therein, a sheet body having vibration restraining characteristics or a coating material having vibration restraining characteristics is applied to an inner surface portion of a crown portion or other similar portion which is small in thickness. The sheet body or the coating material is 0.05 or above in the loss factor thereof.

REFERENCES:
patent: 550976 (1895-12-01), Jennings
patent: 925389 (1909-06-01), Royce
patent: 1768792 (1930-07-01), Schavoir
patent: 2034936 (1936-03-01), Barnhart
patent: 2846228 (1958-08-01), Reach
patent: 3387844 (1968-06-01), Shippee
patent: 3749408 (1973-07-01), Mills
patent: 4027885 (1977-06-01), Rogers
patent: 4792139 (1988-12-01), Nagasaki
patent: 4811950 (1989-03-01), Kobayashi
patent: 4848747 (1989-07-01), Fujimura
patent: 4964640 (1990-10-01), Nakanishi
patent: 5064197 (1991-11-01), Eddy
patent: 5135227 (1992-08-01), Okumoto
patent: 5316298 (1994-05-01), Hutin

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