Importance

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Abstract

A nozzle for casting steel comprises an inlet portion, an elongated portion extending along a longitudinal axis from the inlet portion, an outlet portion comprising a front port, and a pouring bore. A planar cut of the nozzle outlet portion along a plane normal to the longitudinal axis comprises the outline of the outer peripheral wall of the outlet portion of the nozzle defined by the wall perimeter and the wall centroid of the area defined by said wall perimeter, and a first transverse axis passing by the bore centroid and extending along a direction parallel to the orthogonal projection of the front port direction onto the plane of the cut. The nozzle comprises no front port extending along a direction opposite to the direction of the first front port with respect to the longitudinal axis and belonging to the plane defined by the longitudinal axis and the front port direction. The distance from the wall centroid to the outer peripheral wall measured along the first transverse axis on the side of the front port is greater than the same distance measured on the side opposite the front port.

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First Claim