Apparatus and method for treating vitreous surfaces

Glass manufacturing – Processes – With coating

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Details

65157, 427253, 427422, C03C 1722

Patent

active

039334570

ABSTRACT:
Apparatus and method for surface treating vitreous materials with treatment gases to form a metallic oxide surface condition on the vitreous material. The apparatus, which is preferably an enclosure having an entrance and exit end and is mounted over a conveyor belt, incorporates manifold means for distributing the treatment gas within the enclosure and also heating means for maintaining the interior of the enclosure above a critical temperature. The method comprised is applying a treatment gas to the vitreous surface while maintaining the gas above a critical temperature substantially below the pyrolitic decomposition temperature which is necessary to accomplish the actual surface treatment.

REFERENCES:
patent: 3438803 (1969-04-01), Dubble et al.
patent: 3498819 (1970-03-01), Lyle et al.
patent: 3516811 (1970-06-01), Gatchet et al.

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