Metal treatment – Compositions – Heat treating
Patent
1989-06-30
1992-04-14
Yee, Deborah
Metal treatment
Compositions
Heat treating
148 132, 148436, 273167R, 420489, C22C 901, C21D 900
Patent
active
051044579
ABSTRACT:
The present invention provides for a method of making a golf club head which comprises the steps of casting the head in an alloy having copper and aluminum as its major constituents by weight, fettling the cast head as required, heat-treating the head by heating it to an temperature in the range 960.degree. C. to 980.degree. C. for a period of about two hours, water quenching the head, and finally of cleaning the cast, fettled and heat-treated head to give a desired finish thereto.
Elrick Alistair
Viljoen Kenneth V.
Country Club Golf Equipment (Proprietary) Limited
Yee Deborah
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