Pouring nozzle

B - Operations – Transporting – 22 – D

Patent

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Details

B22D 41/56 (2006.01)

Patent

CA 2762164

The pouring nozzle comprises an elongated, tubular part (10), defining a lower part of a pouring channel (12) with a central longitudinal axis L, a plate-like part (14), provided with a flow-through opening (16) between its surface (18) opposite the tubular part (10) and its section (20) adjacent said tubular part (10). As may be seen from figure 2 the flow-through opening (16) defines an upper part (12o) of the pouring channel (12). The peripheral area (22) between said surface (18) and said section (20) comprises four segments, namely two inclined bearing surfaces (24), opposite to each other, and two planar surface sections (26), arranged opposite and parallel to each other between said two distinct bearing surfaces (24). Each bearing surface (24) is curved with respect to the central longitudinal axis L of the pouring channel (12), as may be best seen from figure 3. The curvature is therefore concave with respect to the central longitudinal axis L and in view of the opposite arrangement of the bearing surfaces (24) the said bearing surfaces are arranged inversely to each other.

La buse de coulée comprend une partie tubulaire allongée (10), délimitant une partie inférieure d'un canal de coulée (12) pourvu d'un axe longitudinal central L, une partie de type plaque (14), pourvue d'une ouverture d'écoulement (16) entre sa surface (18) opposée à la partie tubulaire (10) et sa section (20) adjacente à ladite partie tubulaire (10). Comme on peut le voir sur la figure 2, l'ouverture d'écoulement (16) délimite une partie supérieure (12o) du canal de coulée (12). La zone périphérique (22) située entre ladite surface (18) et ladite section (20) comprend quatre segments, à savoir deux surfaces porteuses inclinées (24), opposées l'une à l'autre, et deux sections de surface planes (26), placées à l'opposé l'une de l'autre et parallèlement l'une à l'autre entre lesdites deux surfaces porteuses distinctes (24). Chaque surface porteuse (24) est incurvée par rapport à l'axe longitudinal central L du canal de coulée (12), comme on peut mieux le voir sur la figure 3. La courbure est par conséquent concave par rapport à l'axe longitudinal central L et compte tenu de l'agencement opposé des surfaces porteuses (24), lesdites surfaces porteuses sont placées à l'inverse l'une de l'autre.

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