Radio frequency preparation of pure glass

Details Radio frequency preparation of pure glass Radio frequency preparation of pure glass

1974-08-02

1976-02-10

Bashore, S. Leon

Glass manufacturing

Processes

Fining or homogenizing molten glass

65134, 65337, 13 6, 13 34, C03B 516, C03B 522, C03B 502

Patent

active

039376257

ABSTRACT:
Pure glass is prepared in a water-cooled radio frequency heated silica crucible. An encapsulated graphite susceptor is used to preheat the glass batch material to avoid contamination. The preheater is removed after the r.f. power becomes effective to couple into the melt. The cooling prevents the melt from wetting the crucible and eliminates a further source of contamination.

REFERENCES:
patent: 1034824 (1912-08-01), Owens
patent: 1572873 (1926-02-01), Allcutt
patent: 2186718 (1940-01-01), Ferguson
patent: 2402582 (1946-06-01), Scaff
patent: 2749379 (1956-06-01), Geffcken et al.
patent: 2877280 (1959-03-01), Eden
patent: 2930098 (1960-03-01), Emeis
patent: 3156549 (1964-11-01), Kelemen
patent: 3205292 (1965-09-01), Descarsin
patent: 3337675 (1967-08-01), Descarsin

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