Plant for producing metal strip
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United States of America Patent
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Oct 11, 2011
Grant Date -
Jan 22, 2009
app pub date -
Dec 5, 2006
filing date -
Dec 6, 2005
priority date (Note) -
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Abstract
Plant for the continuous casting of thick slabs, blooms or other similar steel products comprising an ingot mold and a series of containment and guiding rollers placed in the area below the ingot mold on both sides of the cast product, i.e. on the intrados and extrados, respectively. The rollers are arranged on at least three longitudinal rows and all have an axial length shorter that the width of the cast product. The rollers of a central longitudinal row are advantageously staggered with respect to the lateral longitudinal row rollers in such a way as to reduce the surface of the bulges created due to the ferrostatic pressure existing in the liquid core of the product at ingot mold outlet. Furthermore, the pitch between the adjacent rollers is advantageously always of different values so as to not cause the buckling of the bulges with a single frequency.
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