Positive containment threshold for use in glass...

Details Positive containment threshold for use in glass... Positive containment threshold for use in glass...

C - Chemistry, Metallurgy

03

B

49/4, 49/55

C03B 18/00 (2006.01) C03B 18/04 (2006.01)

Patent

CA 1049787

Abstract of the Disclosure positive containment threshold for use in an apparatus for manufacturing flat glass includes a metal base with a combination of vertically disposed members for connection to a bottom casing of a glass forming chamber. Disposed about a vertical member which serves as a dividing member in the combination are refractory threshold blocks which provide a smooth glass contact surface over which molten glass may be delivered onto a pool of molten metal contained within the bottom portion of an enclosed forming chamber. This threshold in combin- ation with the casing surrounding the bottom portion of an enclosed forming chamber provides an impervious barrier to prevent the inadvertent loss of molten metal from the container in the event of refractory failure.

222083

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