Golf club head

Details Golf club head Golf club head

1984-01-16

1985-11-19

Pinkham, Richard C.

Amusement devices: games

Surface projectile game; game element

Simulated game

273167A, 273167F, A63B 5304

Patent

active

045537550

ABSTRACT:
A golf head body made as a casting of plastic or metal has a large cavity. A sole plate is attached to close the cavity. The parts are carefully finished by grinding and polishing prior to injection of foamable plastic. The cavity has a special configuration to provide fill holes that are independent of the sole plate. The mechanical strength of the club and installed shaft is not compromised; the foamable plastic, injected after finishing, is not affected by any heat generated by the finishing of the sole plate.

REFERENCES:
patent: 2534947 (1950-12-01), Bright
patent: 3556533 (1971-01-01), Hollis
patent: 3976299 (1976-08-01), Lawrence et al.
patent: 4417731 (1983-11-01), Yamada
patent: 4438931 (1984-03-01), Motomiya

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