Golf club head

Details Golf club head Golf club head

1987-07-13

1989-04-25

Mario, George J.

Amusement devices: games

Surface projectile game; game element

Simulated game

273167H, A63B 5304

Patent

active

048241164

ABSTRACT:
In production of a wood-type golf club head having a rigid shell, metal pieces are dispersed in the matrix of crude foamable synthetic resin filled in the interior of a crude rigid shell for long maintenance in position of the center of gravity of the product despite shocks at shooting balls. The golf club head is formed of a hollow shell having a sole side provided with a first opening. A lid is received within the first opening to form an enclosure. The lid includes a second opening in direct communication with the interior of the hollow shell. The synthetic resin is provided within the interior of the hollow shell through the second opening within the lid. The synthetic resin forms a foam core upon application of heat to the resin.

REFERENCES:
patent: 1529009 (1925-03-01), Carpenter
patent: 3266805 (1966-08-01), Bulla
patent: 4145052 (1979-03-01), Janssen et al.
patent: 4319752 (1982-03-01), Thompson
patent: 4489945 (1984-12-01), Kobayashi
patent: 4519964 (1985-05-01), Rosen
patent: 4714577 (1987-12-01), Nagamoto et al.

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