Delivery apparatus for a glass manufacturing apparatus and methods
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United States of America Patent
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Jan 26, 2016
Grant Date -
May 24, 2012
app pub date -
Nov 23, 2010
filing date -
Nov 23, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
Delivery apparatus include an electrical circuit configured to heat a linear conduit and an elbow conduit. A first electrode can be mounted to an upstream portion of the linear conduit, a second electrode can be mounted downstream of the upstream portion, and a third electrode can be mounted to a curved segment of the elbow conduit within a footprint extension of a first passage of the linear conduit. In further examples, a delivery apparatus includes an electrical circuit with a first electrode mounted to an upstream portion of a linear conduit, a second electrode mounted to a downstream portion of the linear conduit, and a third electrode mounted to an elbow conduit. In still further examples, methods of heating molten glass include application of an electrical current such that neither a current flux through a linear conduit nor a current flux through an elbow conduit exceeds 8 amps/mm2.
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