Glass manufacturing – Processes – Forming product or preform from molten glass
13 6, 65 12, C03B 3702
The present invention involves an electrical resistance heated bushing for melting inorganic materials, particularly glass, and for exuding molten material through a plurality of orifices in the bushing to form fibers suitable for coating with metal in conventional ways. The bushing of the present invention has an output capacity of almost 300% that of typical prior art bushings used for this purpose. Furthermore, the bushing of the present invention has increased operating efficiency substantially. The average running time before a breakout occurs has been extended 5 to 10 fold.
patent: 3065613 (1972-11-01), Von Wranaw
patent: 3068669 (1962-12-01), Fiedler
patent: 3573014 (1971-03-01), Strickland et al.
patent: 3607164 (1971-09-01), Thom et al.
The Manufacturing Technology of Continuous Glass Fibres, 1973, K L Loewenstein, Elsevier Scientific Pub. Co. pp. 97-110.
Kelly Joseph J.
Krone Robert M.
Lindsay, Jr. Robert L.
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