Method of manufacturing fibers of inorganic material and apparat

Details Method of manufacturing fibers of inorganic material and apparat Method of manufacturing fibers of inorganic material and apparat

1977-06-14

1978-09-26

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 16, 264 12, 425 7, C03B 3704

Patent

active

041166566

ABSTRACT:
Using a vessel which has a circular discharge port at the bottom and is provided with a nozzle in a coaxial arrangement with the port for ejecting a pressurized gas vertically downwards, a molten inorganic material such as a glass composition is allowed to vertically fall by gravitation as a hollow cylindrical stream. The fiberization of the molten material is accomplished by downwardly injecting a pressurized gas into the hollow of the cylindrical stream and, at the same time, blowing the pressurized gas at the cylindrical stream from a ring nozzle which is placed below the vessel and has downwardly and inwardly inclined orifices in a circumferential arrangement to surround the cylindrical stream.

REFERENCES:
patent: 2814832 (1957-12-01), Stephens
patent: 3224852 (1965-12-01), Stalego
patent: 3891730 (1975-06-01), Wessel et al.

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