Electric heating – Metal heating – By arc
Patent
1992-02-24
1993-09-28
Albritton, C. L.
Electric heating
Metal heating
By arc
264 25, 21912166, 346 76L, B23K 2600
Patent
active
052488780
ABSTRACT:
A golf ball is marked by directing laser light to a selected surface portion of the ball, thereby causing the exposed surface layer portion to change its color. The discolored portion forms an identification mark on the ball surface. The mark is durable and aesthetically attractive while the ball maintains dimensional precision.
REFERENCES:
patent: 4808966 (1989-02-01), Ferlier et al.
patent: 4945204 (1990-07-01), Nakamura et al.
patent: 4994639 (1991-02-01), Dickinson et al.
patent: 4997994 (1991-03-01), Andrews et al.
patent: 5111523 (1992-05-01), Ferlier et al.
Albritton C. L.
Bridgestone Corporation
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