Process and apparatus for regulating the temperature of a glass

Details Process and apparatus for regulating the temperature of a glass Process and apparatus for regulating the temperature of a glass

1981-07-31

1982-11-30

Kellogg, Arthur D.

Glass manufacturing

Processes

With measuring, sensing, inspecting, indicating, or testing

65118, 65162, C03B 2904

Patent

active

043614280

ABSTRACT:
The invention relates to a process for regulating the temperature of a glass sheet in a furnace as the glass sheet is moved at a determined rate and heated according to a preestablished program. The furnace is characterized by only slight thermal inertia thereby to provide rapid adjustment of the internal temperature within each of several cells. The physical presence of the glass sheet is checked in synchronization with its step-by-step advance at least at one location upstream of one furnace cell to correct the regulation of the radiation heating output should these be a variance from that of the preestablished program. The process may be carried out with limited fabrication rejects by virtue of the capability of regulation of variations of the conveying rate or as required due to gaps in the succession of glass sheets being treated.

REFERENCES:
patent: 3294513 (1966-12-01), Beattie
patent: 3479172 (1969-11-01), McCown et al.
patent: 3744985 (1973-07-01), Peternel
patent: 3744985 (1973-07-01), Peternel
patent: 3764799 (1973-10-01), Nara
patent: 3839000 (1974-10-01), Peternel
patent: 3942967 (1976-03-01), Jack et al.
patent: 4043780 (1977-08-01), Bricker et al.
patent: 4071344 (1978-01-01), Blausey, Jr.
patent: 4119426 (1978-10-01), Kelly

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