Method and apparatus for minimizing devitrification on edge directors with induction heating

Method and apparatus for minimizing devitrification on edge directors with induction heating

A fusion draw method includes flowing molten glass over an edge director intersecting with at least one of a pair of downwardly inclined forming surface portions and maintaining a minimum temperature of at least a portion of a surface of the edge director contacting the molten glass above a predeter...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LANGENSIEPEN, RALPH ALFRED, HAWTOF, DANIEL WARREN, GRZESIK, PAUL RICHARD, SHAH, KASHYAP HARSHADLAL, PENG, GAOZHU, NOLL, BRENTON ALLEN, KOCATULUM, BULENT, DAHAKE, GIRISH SOPAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
CHEMISTRY
GLASS
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METALLURGY
MINERAL OR SLAG WOOL
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Beschreibung
Zusammenfassung:A fusion draw method includes flowing molten glass over an edge director intersecting with at least one of a pair of downwardly inclined forming surface portions and maintaining a minimum temperature of at least a portion of a surface of the edge director contacting the molten glass above a predetermined amount through heating of the edge director by induction.