Composite threshold assembly for a molten glass delivery...

Details Composite threshold assembly for a molten glass delivery... Composite threshold assembly for a molten glass delivery...

C - Chemistry, Metallurgy

03

B

49/55

C03B 18/02 (2006.01) C03B 18/04 (2006.01) C03B 18/18 (2006.01)

Patent

CA 1086061

COMPOSITE THRESHOLD ASSEMBLY FOR A MOLTEN GLASS DELIVERY APPARATUS Abstract of the Disclosure A glass delivery facility connecting a glassmaking furnace with a molten metal-containing glass forming chamber employs a thresh- old assembly having a front face base block having a foot which extends downstream from the threshold-molten metal interface beneath the molten metal and having a transverse subsurface gap for directing gases from the molten metal to the sides of delivery facility so that gas bubbles are removed to avoid deformation of the underside of flat glass being produced.

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