Method of manufacturing glass bodies

Details Method of manufacturing glass bodies Method of manufacturing glass bodies

1986-03-13

1987-07-21

Lindsay, Robert L.

Glass manufacturing

Processes

With shaping of particulate material and subsequent fusing...

65 2, 65 311, 65 312, 65900, 65901, 65 17, 156DIG108, 264 65, 501 12, C03B 37016

Patent

active

046816143

ABSTRACT:
A method of manufacturing glass bodies, in which the starting material for the glass body, in the form of microdispersed SiO.sub.2 particles, is used to form an open-pore green body which is subjected to a cyclic purification process in which the impurities present in the green body react with a purifying gas which is heated to a temperature in the range from 600.degree. to 900.degree. C., after which the green body is sintered; in each cycle of the said process, the arrangement holding the green body to be purified being flushed and subsequently evacuated.

REFERENCES:
patent: 4574063 (1986-03-01), Scherer

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