Structure for golf club head and the method of its manufacture

Details Structure for golf club head and the method of its manufacture Structure for golf club head and the method of its manufacture

1997-03-06

1998-09-01

Heinrich, Samuel M.

Metal fusion bonding

Process

With shaping

228190, B23K 2000, B23K 3100

Patent

active

057998590

ABSTRACT:
A golf club head formed by a combined "superplastic forming and diffusion bonding" method. The basic procedures are using three titanium sheets and machining shallow cavities into one of the sheets, which later provides the reinforcing function. Applying stop-off to the area where diffusion bonding is not desired and then sealing the three sheets by welding along their peripheries together with two gas supply tubes. The assembly then is placed into a die and a gas supply is attached. After vacuuming and heating up, the assembled part is subjected to subsequent diffusion bonding and superplastic inflation processes which yield a titanium golf club head with an internally strengthened striking face.

REFERENCES:
patent: 5228615 (1993-07-01), Iijima et al.
patent: 5242102 (1993-09-01), Nicolas
patent: 5603449 (1997-02-01), Mansbridge et al.

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