Process for the thermal tempering of glass

Details Process for the thermal tempering of glass Process for the thermal tempering of glass

1982-06-01

1985-05-14

Kellogg, Arthur D.

Glass manufacturing

Processes

Glass preform treating

65114, C03B 2702

Patent

active

045169993

ABSTRACT:
A process for the thermal tempering of glass wherein the hot glass is immersed in a vessel in which there are two mutually immiscible liquids. The liquid of lower density is above the liquid of higher density. The glass is precooled for a specific time in the liquid of lower density and then is brought into the liquid of higher density.

REFERENCES:
patent: 3186816 (1965-06-01), Wartenberg
patent: 3706544 (1972-12-01), Michalik
patent: 3802860 (1974-04-01), Gorman

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