Method of making a golf club head and the article produced there

Details Method of making a golf club head and the article produced there Method of making a golf club head and the article produced there

1990-01-16

1991-02-12

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Post sintering operation

419 29, 419 27, 75228, 273169, 273170, 273171, 273167F, 273167H, 273 77A, B22F 326

Patent

active

049922360

ABSTRACT:
A method of making a golf club head and golf club heads produced by said method which involves filling a mold with material selected from the group consisting of metal powders, castings, wrought metal, and green compact metal powders and combinations thereof so as to achieve the desired properties in the particular areas of the club head, compressing the material in the mold to form a green compact of the material, removing the green compact of the material from the mold land then heating the green compact to an elevated temperature to form a sintered product. Thereafter, the sintered product may be further heated under pressure to improve its density.

REFERENCES:
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patent: 2846228 (1958-08-01), Reach
patent: 3578332 (1971-05-01), Caldwell
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patent: 3955820 (1976-05-01), Cochran et al.
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patent: 4667963 (1987-05-01), Yoneyama
patent: 4768787 (1988-09-01), Shira
patent: 4793616 (1988-12-01), Fernandez
patent: 4824116 (1989-04-01), Nagamoto et al.
Spalding Executive Clubs Advertisement, Golf Digest, May; 1972, p. 21.

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