Glass manufacturing – Processes – Forming product or preform from molten glass
Patent
1978-07-03
1979-09-11
Lindsay, Jr., Robert L.
Glass manufacturing
Processes
Forming product or preform from molten glass
65 5, 65 9, 65 16, 264121, 425 831, C03B 3700
Patent
active
041674049
ABSTRACT:
A method and apparatus for collecting fibrous material, particularly small diameter glass fibers, i.e. within the range of 0.05 to 2.60 microns, from a gaseous medium in an efficient, environmentally sound manner is disclosed herein. The apparatus includes a collection chamber which partially encloses a rotating drum having a perforated peripheral surface and having a fine mesh collection screen superimposed thereover. The drum is positioned in such a manner that the screen intercepts a gaseous stream of fibers, e.g. glass microfibers. A suction force established interiorly of the peripheral surface of the drum draws the gaseous stream through the collection screen in order to thereby continuously collect a layer of fibers upon a portion of the rotating screen. The layer of fibers is removed from the drum and wound on a mandrel at a point outside the collection chamber. In a preferred embodiment of the present invention the drum surface is cleaned of any residual fibers.
REFERENCES:
patent: 2450914 (1948-10-01), Powell
patent: 3201499 (1965-08-01), Casse
patent: 3327503 (1967-06-01), Labino
Brunk Jack L.
Genson Samuel R.
Loeffler Romain E.
Anderson William C.
Johns-Manville Corporation
Kelly Joseph J.
Krone Robert M.
Lindsay, Jr. Robert L.
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