Metal mold for producing wood golf club head and method of produ

Details Metal mold for producing wood golf club head and method of produ Metal mold for producing wood golf club head and method of produ

1994-07-14

1995-05-23

Woo, Jay H.

Metal working

Method of mechanical manufacture

Combined manufacture including applying or shaping of fluent...

29530, 264154, 264257, 273 802, 273167R, 425395, 425412, 425444, B29C 4336, B29C 4350, A63B 5304

Patent

active

054169682

ABSTRACT:
A metal mold for producing a wood type golf club head, including an upper metal mold member having a molding recess including a surface for molding an upper end portion of a shaft bore in a club head, a lower metal mold member having a molding recess including a surface for molding a sole of the club head, a shaft bore molding upper pin fitted firmly in the portion of the surface of the upper metal mold member which corresponds to an upper end portion of the shaft bore, so as to project to the inner side of the metal mold, and a shaft bore-molding lower pin fitted firmly in the lower metal mold member so as to project to the inner side of the metal mold, the upper and lower pins being arranged coaxially in an opposed state via a narrow clearance, the direction in which the upper and lower pins are arranged crossing perpendicularly the direction in which the joint surfaces of the upper and lower metal mold members extend.

REFERENCES:
patent: 3571900 (1971-03-01), Hardesty
patent: 3843122 (1974-10-01), Florian
patent: 4581190 (1986-04-01), Nagamoto et al.
patent: 4874171 (1989-10-01), Ezaki et al.

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