Games using tangible projectile – Golf – Club or club support
Patent
1997-09-18
2000-05-16
Passaniti, Sebastiano
Games using tangible projectile
Golf
Club or club support
473338, 473345, 473409, A63B 5304
Patent
active
060629886
ABSTRACT:
A metallic hollow golf club head and a method for manufacturing it in which a head structure is constructed by welding a light metal sole plate, in which a heavy metal weight has been secured to an inner surface thereof, to a light metal outer mold comprising a hosel and then injecting thermosetting resin into the hollow portion of the head structure so as to cover at least the inner surface of the sole plate and to flow into any gap between the sole plate and the weight and the joint between the sole plate and the outer mold.
REFERENCES:
patent: 4313607 (1982-02-01), Thompson
patent: 4795159 (1989-01-01), Nagamoto
patent: 5154424 (1992-10-01), Lo
patent: 5193811 (1993-03-01), Okumoto
patent: 5351958 (1994-10-01), Helmstetter
patent: 5421577 (1995-06-01), Kobayashi
patent: 5755624 (1998-05-01), Helmstetter
Passaniti Sebastiano
The Yokohama Rubber Co. Ltd.
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