Method for embossing a pattern in glass

Details Method for embossing a pattern in glass Method for embossing a pattern in glass

1975-06-24

1976-06-08

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

With vibrating, oscillating or agitating a preform

65 64, 65103, 156219, 264293, C03B 2900, C03B 2300

Patent

active

039619290

ABSTRACT:
A piece of glass may be embossed by initially heating the glass to at least its annealing temperature. A die is heated to a temperature higher than the temperature of the glass. The die is then vibrated against the glass so that it continuously makes and breaks contact with the glass so as to prevent the glass from sticking to the hot tool.

REFERENCES:
patent: 894040 (1908-07-01), Nicholls
patent: 1482760 (1924-02-01), Milliken
patent: 3075862 (1963-01-01), Hoyer
patent: 3883632 (1975-05-01), Petrochko et al.

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