Fabrication of metal shell golf club heads

Details Fabrication of metal shell golf club heads Fabrication of metal shell golf club heads

1982-08-09

1984-09-18

Lin, Kuang Y.

Metal founding

Process

Shaping a forming surface

164186, 164369, 164 45, B22C 904, B22C 1312

Patent

active

044720920

ABSTRACT:
The method of fabricating a metal shell golf club head includes forming a core to the form of the inside surface of the shell; forming a plug integral with the core to project outwardly therefrom, the plug formed to outline peripheral shape conforming to the inner peripheral edge of a sole plate opening in the head shell; forming at least one gripper finger opening and at least one locking recess in the side of the plug, the core characterized as being soluble in a fluid solvent; forming a wax shell about the core while locating the plug in fixed position in a mold to hold the core in predetermined position and while maintaining a locking plunger in the formed recess; and removing the core and plug relative to the wax shell by dissolving the core and plug in the solvent; the core being transferred between stations (at which the (a) and (b) steps are carried out) by gripping and bodily displacing the plug which is integral with the core.

REFERENCES:
patent: T952006 (1976-11-01), Hausch
patent: 2356380 (1944-08-01), Chollar
patent: 2420851 (1947-05-01), Zahn et al.
patent: 3395206 (1968-07-01), Schneider
patent: 3405212 (1968-10-01), Fraser et al.
patent: 3410942 (1968-11-01), Bayer
patent: 3463848 (1969-08-01), St. Clair
patent: 3601178 (1971-08-01), Marticorena
patent: 3838728 (1974-10-01), Voegeie
patent: 4289191 (1981-09-01), Myllymaki

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