Glass manufacturing – Processes – Glass preform treating
Patent
1989-04-14
1990-09-18
Schor, Kenneth M.
Glass manufacturing
Processes
Glass preform treating
65105, 65102, 156643, 21912169, C03B 2300, C03B 2326, B44C 122
Patent
active
049575295
ABSTRACT:
Decorative processing is performed with repetitively pulsed discharge at atmospheric pressure of a (RP TEA) by CO.sub.2 laser with pulse energy 1 to 5J, power density at operation from 1.times.10.sup.6 W/cm.sup.2 to 6.times.10.sup.7 W/cm.sup.2, pulse duration from 50 to 100 ns and average power 1 to 1000W whereby the mated area with one shot is from 0.5 to 2 cm.sup.2. The apparatus has a base with an upright on which are fastened parallel elements and a screw that is seated in its upper end in a thrust element and at its lower end is linked by an articulation to an electric motor. The screw drives a fork guided on the parallel elements. A slide is fastened to the fork and has longitudinal channels and a plate for inclination at increments of 15.degree.. To this slide is fastened a second electric motor and on its axis is mounted a carrier on which is fastened a mask in which is fixed the article to be decorated. On the rotating bearer a disk can be fastened on which are mounted four spokes with four springs and a repleceable stand.
REFERENCES:
patent: 3701880 (1972-10-01), Rively et al.
patent: 3986767 (1976-10-01), Rexer et al.
patent: 4478677 (1984-10-01), Chen et al.
Sklar A Keramik Rochik 33/1983, 171-175.
Sklar A Keramik Rochik 34/1984, 157-163.
Silikattechnik 35/1984 Heft 2, 54-56.
Silikattechnik 35/1984 Heft 5, 146-148.
P. Urbanek Laser Decoration of Glass J. Noncrystal. Sol. 38-39, (1980). p. 891.
Botev Todor S.
Dakov Mincho S.
Dimitrov Dimiter A.
Dimitrov Yordan I.
Kalafirov Hristo A.
Dubno Herbert
PU "Paissii Hilendarski"
Schor Kenneth M.
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