Metal treatment – Compositions – Heat treating
Patent
1978-08-14
1983-08-16
Phillips, Charles E.
Metal treatment
Compositions
Heat treating
148142, 273 78, C21D 602
Patent
active
043989659
ABSTRACT:
A golf club of the iron type has a metal head with a front striking face and a slot spaced rearwardly from the striking face to provide a flexible and resilient striking plate. The thickness of the plate is such that the plate will: (a) resiliently flex and store energy when the striking face impacts a golf ball; (b) return to its original position to transfer energy to the ball as the ball leaves the striking surface; and (c) not deflect to such an extent that golf balls hit off center on the plate will be dispersed excessively from the intended line of flight
REFERENCES:
patent: 1359220 (1920-11-01), Beamer
patent: 2447967 (1948-08-01), Stone
patent: 2846228 (1958-08-01), Reach
patent: 3061310 (1962-10-01), Giza
patent: 3970236 (1976-07-01), Rogers
PepsiCo Inc.
Phillips Charles E.
LandOfFree
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