Method of heat treating glass in a fluidized bed and apparatus t

Details Method of heat treating glass in a fluidized bed and apparatus t Method of heat treating glass in a fluidized bed and apparatus t

1977-06-10

1978-10-17

Kellogg, Arthur D.

Glass manufacturing

Processes

Glass preform treating

65348, 165104F, C03B 2700

Patent

active

041206800

ABSTRACT:
A fluidized bed for the thermal treatment of glass articles is maintained in a quiescent uniformly expanded state of particulate fluidization by establishing a high pressure drop across a porous membrane through which fluidizing gas is supplied to the bed, of at least 60% of the pressure at which the fluidizing gas is supplied to a plenum chamber beneath the membrane.

REFERENCES:
patent: 2940735 (1960-06-01), Marsh
patent: 3423198 (1969-01-01), McMaster et al.
patent: 4009017 (1977-02-01), Jones

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