Glass manufacturing – Processes – With measuring – sensing – inspecting – indicating – or testing
Patent
1976-06-02
1977-08-23
Kellogg, Arthur D.
Glass manufacturing
Processes
With measuring, sensing, inspecting, indicating, or testing
65158, 65162, C03B 2904
Patent
active
040437809
ABSTRACT:
Monitoring the temperature profile of a series of glass sheets heated while conveyed through a furnace where they are heated preparatory to their rapid cooling required for tempering. Representative temperatures are taken at selected portions of the upper and lower surfaces of selected sheets to determine the temperature difference between the top and bottom surfaces and an indication of the temperature profile transverse to the direction of glass sheet movement. The temperature monitoring system may also include an additional temperature measuring station at a suitable position in a quenching zone where the heated glass sheets are rapidly cooled.
REFERENCES:
patent: 1974058 (1934-09-01), Wadman
patent: 3293015 (1966-12-01), Fredley et al.
patent: 3479172 (1969-11-01), McCown et al.
patent: 3508899 (1970-04-01), Ward
patent: 3849099 (1974-11-01), Matby, Jr. et al.
Bricker Jack A.
Durci John P.
Kellogg Arthur D.
Mates Edward I.
Millman Dennis G.
PPG Industries Inc.
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