Furnace, in particular an electric furnace, for treating liquid metal
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United States of America Patent
Stats
-
Apr 25, 1995
Grant Date -
N/A
app pub date -
Jun 24, 1993
filing date -
Jul 6, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The furnace includes a vessel closed by a floating roof, and a sealing means mechanism between the roof and the vessel. The sealing mechanism includes two joint surfaces, one of which is arranged on the peripheral edge portion of the roof whereas the other is arranged on the peripheral edge portion of the vessel. The first surface is substantially toric and the second surface substantially frustoconical. The joint surfaces permit the centering of the roof relative to the axis of the vessel. The peripheral edge portion of the vessel is provided with a coping element on which one of the joint surfaces is arranged.
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