Method and apparatus for changing bushings
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United States of America Patent
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-
Mar 17, 1987
Grant Date -
N/A
app pub date -
Nov 14, 1985
filing date -
Nov 14, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for changing bushings in a glass melting furnace is disclosed. A support attached to the furnace holds the bushings beneath an opening in the forehearth. A replacement bushing is placed in the framework, translated next to the operating bushing, brought to operating thermal condition and then both bushings are translated until the replacement bushing is beneath the opening in forehearth. This eliminates the need to freeze the molten glass within the bushing.
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