C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
49/57
C03B 19/10 (2006.01) C03B 5/42 (2006.01)
Patent
CA 1332512
The invention is concerned with a spherulizing furnace and process of manufacturing vitreous beads. A particulate feedstock is delivered to a heated chamber and passed along it so that the feedstock is heated and converted to vitreous beads whereafter the beads are collected. The chamber is shaped to provide a flow path for the particulate feedstock which comprises an elongate cross-section and which is arranged so that the particulate feedstock passes downwardly through the heated chamber under gravity from an upper end thereof to a lower end thereof. The particulate feedstock passing through the chamber is heated by radiant heating elements which provide heat which emanates from the walls of the heated chamber. The process and apparatus of the invention enable vitreous beads to be produced at a reduced cost.
571314
Glaverbel
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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