Iron golf club and a method for producing the same

Details Iron golf club and a method for producing the same Iron golf club and a method for producing the same

1996-02-05

1998-08-11

Passaniti, Sebastiano

Games using tangible projectile

Golf

Club or club support

473350, 473409, A63B 5304

Patent

active

057920044

ABSTRACT:
In production of iron golf club from soft-iron material, surface hardening treatment typically such as cementation is applied at least locally to a main body to provide an irregular internal composition made up of a carbonized surface layer and a soft-iron core. Thanks to fortification via surface hardening treatment, a face on the main body can be reduced in wall thickness for reduction in total weight without any substantial degradation in endurance against mechanical shocks at shooting balls.

REFERENCES:
patent: 835735 (1906-11-01), Robertson
patent: 1139985 (1915-05-01), Legh
patent: 2908502 (1959-10-01), Bradstreet
patent: 4792139 (1988-12-01), Nagasaki
patent: 4793616 (1988-12-01), Fernandez
patent: 4951953 (1990-08-01), Kim
patent: 5207427 (1993-05-01), Saeki
patent: 5280819 (1994-01-01), Newkirk
patent: 5458334 (1995-10-01), Sheldon
patent: 5472202 (1995-12-01), Yamanaka
patent: 5531444 (1996-07-01), Buettner

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