Pretreatment of fused cast refractories

Details Pretreatment of fused cast refractories Pretreatment of fused cast refractories

1987-12-28

1989-06-13

Lindsay, Robert L.

Glass manufacturing

Processes

With shaping of particulate material and subsequent fusing...

65134, 65136, 6537413, 65 321, 501107, C03B 1902

Patent

active

048389196

ABSTRACT:
The potential for fused cast ceramic refractories to release stones into molten material with which it is in contact is reduced by subjecting the refractory to a vacuum pretreatment to remove gases from the glassy phase of the refractory. Preferably the treatment is carried out when the refractory is in a molten state.

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patent: 3237254 (1966-03-01), Hanks et al.
patent: 3437499 (1969-04-01), Horak et al.
patent: 3473904 (1969-10-01), Wilson
patent: 3853520 (1974-12-01), Rau
patent: 4396572 (1983-08-01), Batigne et al.
patent: 4475204 (1984-10-01), Brandt et al.
patent: 4556526 (1985-12-01), Yajima et al.
patent: 4632686 (1986-12-01), Brown et al.
patent: 4764198 (1988-08-01), Lythgoe

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