"Iron"-type golf club head

Games using tangible projectile – Golf – Club or club support

Patent

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Details

473332, 473345, 473350, A63B 5304

Patent

active

057660921

ABSTRACT:
An iron-type golf club head comprising a hollow metal body (1) incorporating an internal cavity (2) delimited by a series of walls (10, 11, 12, 13) including an impact wall (10) connected peripherally at all points to other walls (11, 12, 13). The inner surface (100) of the impact wall (10) is coated with a thin layer (4) of a viscoelastic resin which has damping properties, and which fills only a portion of the internal cavity (2). The resin layer assures reduced interference vibrations peculiar to "hollow" irons, i.e., those incorporating an internal cavity for improved weight distribution.

REFERENCES:
patent: 4326716 (1982-04-01), Lacoste
patent: 4523759 (1985-06-01), Igarashi
patent: 4635941 (1987-01-01), Yoneyama
patent: 4754975 (1988-07-01), Aizawa
patent: 4762322 (1988-08-01), Molitor
patent: 4928972 (1990-05-01), Nakanishi
patent: 4936582 (1990-06-01), Bernstein
patent: 5106094 (1992-04-01), Desbiolles
patent: 5290036 (1994-03-01), Fenton
patent: 5316298 (1994-05-01), Hutin

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