Sleeve seal for electric furnace electrodes
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United States of America Patent
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Oct 16, 2018
Grant Date -
Feb 23, 2017
app pub date -
Apr 27, 2015
filing date -
Apr 28, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A highly flexible sealing arrangement designed to seal high-temperature furnace ports, particularly the electrode port of an electric furnace. The seal comprises an annular support member fixed to a flexible sealing member and employs the use of a garter spring to uniformly apply the desired amount of seal compression. The arrangement and flexibility of the sealing member allows the seal to adapt itself to the wide range of operating and upset conditions that typically exist for a furnace electrode seal. Frictional wear on the seal may be greatly reduced as the design inherently allows for a much lower amount of seal compression to be applied, furthermore, the seal is able to move axially which can significantly reduce wear caused by electrode regulation.
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