C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
49/4
C03B 18/02 (2006.01) C03B 18/18 (2006.01)
Patent
CA 1102132
MOVABLE SUBMERSIBLE DAM BARRIER FOR USE IN A GLASS FORMING CHAMBER Abstract of the Disclosure A vented submersible dam barrier for use in a glass forming chamber to selectively interrupt the flow of glass supporting molten metal is disclosed. The disclosed barrier includes a dense inner body and an outer cover or shell with a space or interstices within the shell through which gases may move to an end of the dam barrier at which there is mounted a facility for venting the enclosed portion of the dam barrier. Venting may be provided into a space above the surface of the pool of molten metal in which the dam barrier is placed.
302455
Borden Ladner Gervais Llp
Ppg Industries Inc.
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