Glass forming apparatus and method
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United States of America Patent
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Sep 6, 2016
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N/A
app pub date -
Feb 24, 2014
filing date -
Feb 26, 2013
priority date (Note) -
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Abstract
A glass forming apparatus and method include a weir on at least a first side of a molten core glass reservoir. The weir includes an inclined surface that, in the intended direction of molten glass flow, slopes downward in the vertical direction while extending away from the molten core glass reservoir in the horizontal direction. A source of molten clad glass is configured above the glass forming apparatus such that when molten clad glass is flowing down and molten core glass is flowing over the weir, the molten clad glass drops onto the molten core glass at a highest upstream contact point that is located directly above the inclined surface of the weir.
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