Glass manufacturing – Processes – Forming product or preform from molten glass
Patent
1985-09-05
1986-05-27
Lindsay, Robert
Glass manufacturing
Processes
Forming product or preform from molten glass
65326, 65DIG4, 339278C, 373 28, C03B 3709
Patent
active
045913714
ABSTRACT:
A flat plate bushing is described which eliminates extensive precious metal use in drain and/or production bushings. The bushing utilizes a novel arrangement of insulation members and support plates that allow the bushing to be electrically heated and a novel method of connecting the bushing to a power source using the bushing face plate as the connection point is also shown.
REFERENCES:
patent: 3160492 (1964-12-01), Chapman et al.
patent: 3837823 (1974-09-01), Shealy
patent: 4017294 (1977-04-01), Sanford et al.
patent: 4330312 (1982-05-01), Hill
patent: 4351656 (1982-09-01), Jensen
"The Manufacturing Technology of Continuous Glass Fibers", K. L. Lowenstein, Elsevier Sci. Pub. Co., NY, NY 1973 pp. 61-63 and 91.
Curley John E.
Lindsay Robert
PPG Industries Inc.
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