Apparatus and method for producing glass spheres

Details Apparatus and method for producing glass spheres Apparatus and method for producing glass spheres

C - Chemistry, Metallurgy

03

C

18/504, 49/8.5

C03C 12/00 (2006.01) B01J 2/02 (2006.01) B29B 9/00 (2006.01) C03B 19/10 (2006.01)

Patent

CA 1048218

Abstract of the Disclosure An apparatus and method for producing glass beads or other spherical particles which includes an open-top rotary receptacle for receiving a free falling molten stream. The receptacle is rotated at a carefully con- trolled speed to maintain the molten material in continuous contact with the upstanding side wall of the receptable. A series of capillary orifices extend radially from the side wall in a single plane, and each of these orifices has a cross-sectional area which is substantially equal to that of the spheres to be produced. As the receptacle rotates, the molten material completely covers the entrance openings of the orifices and is discharged therefrom into the atmosphere under ambient temperature conditions to form a multiplicity of dispersed particles. The dispersed particles pass through a space for a period of time suffi- cient to enable surface tension to shape the particles into spherical form. The particles drop into a series of rotatable concentric bins where they are collected for packaging and shipping.

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