Apparatus and method for production of mineral fibers

Details Apparatus and method for production of mineral fibers Apparatus and method for production of mineral fibers

1980-09-08

1981-12-01

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 2, 65 12, C03B 37025

Patent

active

043034292

ABSTRACT:
The present invention embraces an apparatus for, and methods of, forming mineral fibers, such as glass. Such invention comprising a mineral fiber forming bushing bottom wall comprising a base plate and elongated members projecting downwardly from the exterior undersurface of the base plate. The base plate is of a porous material such as a sintered, foamed or fusion bonded material to form a rigid structure adapted for flow of molten mineral material therethrough to form a layer of molten mineral material along the exterior undersurface thereof. The rod members are adapted for flow thereon of the molten mineral material from the flooded exterior undersurface for attenuation into mineral fibers.

REFERENCES:
patent: 2244267 (1941-06-01), Slayter et al.
patent: 2783590 (1957-03-01), Stalego
patent: 3309184 (1967-03-01), Stalego
patent: 3736116 (1973-05-01), Russell
patent: 4202680 (1980-05-01), Thompson

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