Method and apparatus for forming mineral fibers

Details Method and apparatus for forming mineral fibers Method and apparatus for forming mineral fibers

1980-03-06

1981-12-01

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 14, C03B 3704

Patent

active

043034306

ABSTRACT:
A method and apparatus for forming fibers from molten mineral material comprising a rotatably mounted spinner (10) having an orificed peripheral wall (16) through which the material flows to form primary fibers (20), and a turbulent flow generator (26) adapted to discharge a flow of gases to further attenuate the primary fibers (20) into a veil of secondary fibers (24). The turbulent flow generator (26) generates gaseous flows exerting attenuation forces in different directions at different loci (38, 40, 42, 44) along the path of the fiber being further attenuated.

REFERENCES:
patent: 328226 (1885-10-01), Kennedy
patent: 2189822 (1940-02-01), Thomas et al.
patent: 3152200 (1964-10-01), Kleist
patent: 3215514 (1965-11-01), Levecque et al.
patent: 3785791 (1974-01-01), Perry
patent: 3874886 (1975-04-01), Levecque et al.
patent: 4159199 (1979-06-01), Levecque et al.

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