Games using tangible projectile – Golf – Club or club support
Patent
1995-10-02
1997-03-18
Passaniti, Sebastiano
Games using tangible projectile
Golf
Club or club support
473331, 473349, A63B 5304
Patent
active
056117426
ABSTRACT:
An wood-type golf club head having plural cavities formed in a back surface of a head body. A back surface 1A of a metallic head body 1 is formed with plural cavities 5, opposite to a face 4 of the head body 1. The cavities 5 are formed by forging, thus generating even and fine metallic tissues and grain flow. Accordingly, the toughness and durability of the material can be enhanced, so that face 4 can be made thinner to a 1.0 to 3.5 mm thickness for realizing an optional weight distribution. As a result, a larger sweet area can be realized without damaging a strength of head.
REFERENCES:
patent: 4214754 (1980-07-01), Zebelean
patent: 4398965 (1983-08-01), Campau
patent: 4438931 (1984-03-01), Motomiya
patent: 4635941 (1987-01-01), Yoneyama
patent: 5028049 (1991-07-01), McKeighen
patent: 5090702 (1992-02-01), Viste
Kabushiki Kaisha Endo Seisakusho
Passaniti Sebastiano
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