Vesuvius Group, S.a.

Martin Kreierhoff

Johan Richaud

Marcel Rave

A submerged nozzle for casting molten metal into a mould, is provided that includes an erosion resistant sleeve () made of a material resistant to erosion provided over a tubular portion and extending along a longitudinal axis (Z). The erosion resistant sleeve includes at least one annular protrusion (), extending radially outwards beyond a recessed portion () of the erosion resistant sleeve over the whole circumference of the erosion resistant sleeve (), the at least one annular protrusion () follows a periodic wavy trajectory oscillating between one or more tip-points situated closest to the first end and a corresponding number of one or more valley-points situated closest to the second end, the periodic wavy trajectory being defined by an amplitude (A) greater than 5 mm and a periodicity (P) comprised between 1 and 20 tip to valley to tip periods per 2π rad.

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Ghlin, Belgium

Martin Kreierhoff