Feeder trough for transferring molten glass from a furnace to a forming station
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United States of America Patent
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-
Jun 11, 1991
Grant Date -
N/A
app pub date -
Apr 4, 1990
filing date -
Apr 6, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A feeder trough for transferring molten glass from a glass furnace to an object-forming station, the feeder trough comprising a channel at one of its ends to the furnace and at its other end to a bowl having at least one feeder orifice a sill which has, on its downstream face, a substantially vertical wall, occupies the entire width of the channel and has a thickness of approximately 4 to 10 cm and a height such that it allows a stream of glass approximately 8 to 10 cm thick to pass over it; and a heatable bottom drain provided upstream of the sill and practically adjoining the latter.
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