B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 41/50 (2006.01) B22D 11/00 (2006.01)
Patent
CA 2519050
The present invention relates to a pour tube for casting molten metal. The pour tube is adapted to reduce turbulence and mold disturbances, thereby producing a more stable, uniform outflow. The pour tube includes an exit port with at least one tongue to provide at least two slots on either side of the tongue. The slots generate counter-rotating flows, which result in a more diffusive and more homogeneous outflow. Advantageously, such an outflow can reduce detrimental asymmetry and alumina clogging in the pour tube.
Cette invention concerne un tube de coulée servant à couler du métal en fusion. Le tube de coulée est conçu pour réduire les turbulences et les perturbations de moules, ce qui permet d'obtenir un débit plus stable et plus uniforme. Ce tube de coulée comprend un orifice de sortie comportant au moins une languette servant à produire au moins deux fentes de chaque côté de la languette. Les fentes génèrent des flux contrarotatifs, ce qui produit un débit plus diffus et plus homogène. Cette invention présente l'avantage de produire un débit pouvant réduire l'asymétrie nuisible et la quantité d'alumine obstruant le tube de coulée.
Dorricott James
Heaslip Lawrence
Richaud Johan
Xu Dong
Robic
Vesuvius Crucible Company
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