One-body precision cast metal wood and process to form same

Details One-body precision cast metal wood and process to form same One-body precision cast metal wood and process to form same

1993-01-08

1993-11-16

Rosenbaum, Mark

Metal founding

Process

Shaping liquid metal against a forming surface

164132, 273167H, B22C 910, B22D 1724

Patent

active

052614786

ABSTRACT:
The method of making a golf club head comprising a shell having a ball striking face, a top wall, a bottom wall, a rear wall, and toe and heel walls, the steps that include forming a head core consisting of a mixture of particles of sand or the like in a binder; providing a core arbor extending into the core and also externally thereof; and casting molten lightweight metal about the core and about the arbor to form the shell walls.

REFERENCES:
patent: 4472092 (1984-09-01), Schmidt
patent: 4553755 (1985-11-01), Yamada
patent: 4651799 (1987-03-01), Chandley
patent: 4691759 (1987-09-01), Hayakawa et al.
patent: 4867458 (1989-09-01), Sumikawa et al.
patent: 4869507 (1989-09-01), Sahm
patent: 4951731 (1990-08-01), Downing
patent: 5033530 (1991-07-01), Egoshi et al.
Pending U.S. Patent Application Serial No. 844,757 filed Mar. 2, 1992, Donald J. C. Sun, "One-Body Precision Cast Metal Wood".

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