Method and apparatus for forming mineral fibers

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

1979-11-16

1981-01-20

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 14, 264 8, 264 12, 425 7, 425 8, C03B 3704

Patent

active

042460174

ABSTRACT:
A method and apparatus for forming fibers from molten mineral material comprising a rotatably mounted spinner having an orificed peripheral wall through which the material flows to form primary fibers, and a blower adapted to discharge a flow of gases to further attenuate the primary fibers into a veil of secondary fibers, a curved surface being positioned so that the flow of gases follows the contour of the curved surface according to the Coanda effect.

REFERENCES:
patent: 3044110 (1962-07-01), Hess
patent: 3881903 (1975-05-01), Stalego
patent: 3928009 (1975-12-01), Perry
patent: 4046539 (1977-09-01), Pitt
"Applications of the Coanda Effect", Scientific American, 6/1966, pp. 84-92.
Foundations of Aerodynamics: Bases of Aerodynamic Design, third Ed., Wiley & Sons, Kuethe et al., pp. 417-419, 1975.

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