Pouring tube
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United States of America Patent
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Mar 18, 2003
Grant Date -
N/A
app pub date -
Jun 6, 2001
filing date -
Dec 15, 1998
priority date (Note) -
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Abstract
The present invention concerns a pouring tube of refractory material comprised of a tubular element and equipped at its upper end with a plane plate, the side faces and lower face of the said plate and the upper end of the tubular part being protected by a metallic case, said plate being reinforced in its lower face by mechanical means that increase its stiffness that is characterized in that these stiffening means are comprised of a plurality of U-shaped metallic pieces located on either side of the tube and attached fixedly to the part of the metal case protecting the lower face of the plate. These tubes present a greater resistance to the formation of cracks than conventional tubes.
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