Device for the continuous manufacture of elongated bodies starti

Details Device for the continuous manufacture of elongated bodies starti Device for the continuous manufacture of elongated bodies starti

1983-11-07

1985-10-08

Eisenzopf, Reinhard J.

Industrial electric heating furnaces

Glass furnace device

373138, C03B 502

Patent

active

045464847

ABSTRACT:
A device for continuously making elongated bodies, particularly rods of glass or optical fibers, includes a melting tube for containing molten material and surrounded by a cooling jacket. Within the cooling jacket exists a high frequency electromagnetic coil for heating and melting the starting material in the melting tube. A plurality of metal wires extending parallel to the axis of the melting tube and being grounded as well as a tube of insulating material are located between the wall of the melting tube and the coil. The melt traverses a heating zone and a refining zone so that a solid elongated body is withdrawn from the bottom of the melting tube.

REFERENCES:
patent: 1572873 (1926-02-01), Allcutt
patent: 2673228 (1954-03-01), Kistler
patent: 4339625 (1982-07-01), Delassus et al.

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