Hemispherical dome for refractory vessel
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United States of America Patent
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Apr 1, 2003
Grant Date -
N/A
app pub date -
Mar 11, 2002
filing date -
Mar 11, 2002
priority date (Note) -
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Abstract
A refractory vessel comprising a metal shell having a generally cylindrical portion and an upper hemispherical dome. A refractory liner has a cylindrical portion spaced inwardly from the cylindrical portion of the metal shell and a hemispherical portion spaced inwardly from the dome. The hemispherical portion has a plurality of layers of refractory brick forming successively higher and lesser diameter rings. At least a portion of the rings have mating keys and keyways to restrain the layers of bricks in a vertical direction.
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