Hollow and metal iron golf club heads

Details Hollow and metal iron golf club heads Hollow and metal iron golf club heads

2007-01-30

2007-01-30

Passaniti, Sebastiano (Department: 3711)

Games using tangible projectile

Golf

Club or club support

C473S345000, C473S349000, C473S350000, C473S342000

Reexamination Certificate

active

10765215

ABSTRACT:
An iron golf club head having a hollow interior. The iron golf club head is formed from a first casing and a second casing. The first casing includes the hosel and strike face, while the second casing includes the sole, the back side, and the topline of the iron golf club head. The second casing also includes two cavities, one of which forms the hollow interior of the iron golf club head when the first casing is welded to the second casing. The thickness and hardness of the first casing vary between the long and short iron golf club heads.

REFERENCES:
patent: 4398965 (1983-08-01), Campau
patent: 4754969 (1988-07-01), Kobayashi
patent: 4836550 (1989-06-01), Kobayashi
patent: 5024437 (1991-06-01), Anderson
patent: 5110131 (1992-05-01), Long
patent: 5362047 (1994-11-01), Shaw et al.
patent: 5405136 (1995-04-01), Hardman
patent: 5913735 (1999-06-01), Kenmi
patent: 2004/0023730 (2004-02-01), Nagai et al.

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