Glass manufacturing – Processes – Forming product or preform from molten glass
Patent
1979-12-19
1981-07-07
Lindsay, Jr., Robert L.
Glass manufacturing
Processes
Forming product or preform from molten glass
65 6, 65 8, 65 14, 65 15, 264 8, 423607, 423610, 423625, 423626, C03B 3702, C03B 3704
Patent
active
042772699
ABSTRACT:
A process and apparatus for the manufacture of ceramic oxide fibers from solvent solution. The process comprises spinning a solution of a ceramic oxide precursor through openings having a diameter of from about 0.3 to about 1.5 millimeters, attenuating the resulting fibers with a stream of air to a diameter of less than 10 microns and heating the fibers in an oxygen atmosphere to form ceramic oxide fibers having a diameter of less than 5 microns. The apparatus comprises a hollow rotatable disc having about 0.3 to about 1.5 millimeter holes in its circumferential edge; means for rotatably mounting the disc; means for introducing a solution of a ceramic oxide precursor into the disc; means for rotating the disc to force solution through the openings in fiber form; means for attenuating the fibers with a stream of air; and means for calcining the fibers.
REFERENCES:
patent: Re24708 (1959-09-01), Heymes et al.
patent: 3485611 (1969-12-01), Blaze
patent: 4159205 (1979-06-01), Miyashara et al.
Dunn Michael L.
Green Raymond W.
Holt William H.
Kennecott Corporation
Lindsay, Jr. Robert L.
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