Iron-type golf club head and production method therefor

Details Iron-type golf club head and production method therefor Iron-type golf club head and production method therefor

1996-06-19

1998-06-23

Bradley, P. Austin

Metal fusion bonding

Process

Using dynamic frictional energy

2281121, 473305, 473349, B23K 2012

Patent

active

057693072

ABSTRACT:
An iron-type golf club head 1 can elongate a travelling distance of balls for a long iron and can enable the better controlling of balls for a short iron. A head body 8, having a face 3, is formed from one material, while a hosel 7 formed from another material having the different specific gravity than that of the head body 8. For long irons, the material of the hosel 7 is denser than that of the head body 8, while for short irons, the material of the head body 8 is denser than that of the hosel 7. A friction welding process may be used to join the head body 8 to the hosel 7.

REFERENCES:
patent: 4892316 (1990-01-01), Langert et al.
patent: 5480152 (1996-01-01), Schmidt et al.
patent: 5505795 (1996-04-01), Tsai et al.
E.D. Nicholas, "Where Industry Uses Friction Welding," Welding Design & Fabrication, Aug. 1977, pp. 74-76.

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