Coolable arched roof
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United States of America Patent
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-
Dec 2, 2003
Grant Date -
Sep 18, 2003
app pub date -
Dec 31, 2002
filing date -
Dec 31, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A coolable arched roof for a high-temperature melting furnace having a furnace interior. At least the following layers are present on that side of a layer of refractory bricks, which is remote from the furnace interior: a sealing layer, which is used to seal the furnace interior against the leakage or penetration of gas; an insulation layer having a thermally insulating action; and a cooling layer, which is designed to carry a cooling fluid. The arrangement of layers results in an increased gastightness and prevents premature aging of the refractory bricks.
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