Method for making dual-glass fibers

Details Method for making dual-glass fibers Method for making dual-glass fibers

C - Chemistry, Metallurgy

03

B

C03B 37/075 (2006.01) C03B 37/04 (2006.01) C03C 13/00 (2006.01)

Patent

CA 2188308

A method for making dual-glass fibers includes supplying first and second molten glass to a rotating spinner having an orificed peripheral wall, where the first glass has a higher viscosity than that of the second glass, centrifuging the first and second glasses through the orifices as molten dual- glass streams, maintaining the dual-glass streams at a temperature sufficient to enable the second glass to flow around the first glass, and cooling the dual-glass streams to make dual-glass fibers.

Un procédé de fabrication de fibres double-verre consiste à alimenter un panier centrifugeur rotatif avec un premier et second verre fondu, ce panier centrifugeur comportant une paroi périphérique à trous, le premier verre ayant une viscosité supérieure à celle du second; à centrifuger les premier et second verres passant par les orifices sous forme de courants double-verre, à maintenir les courants double-verre à une température suffisante pour permettre au second verre de s'écouler autour du premier, et à refroidir les courants double-verre pour former des fibres double-verre.

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