B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 41/22 (2006.01) B22D 11/00 (2006.01) B22D 41/24 (2006.01) B22D 41/28 (2006.01)
Patent
CA 2463944
An assembly of slide gate valve plates are described for use in the casting of molten metal. The assembly includes a fixed plate and a sliding plate having a plurality of bores. The extremes of stroke available to the sliding plate produce at least two cutting edges and an emergency shut-off position that is independent of transducers, sensors, or operator judgment. The plate may include oval-shaped bores for increased shut-off margin or offset bores for improved flow of the molten metal through the pouring channel defined by the alignment of the fixed bore with a sliding bore.
L'invention concerne un assemblage de plaques de porte coulissante destinée à être utilisée dans le moulage de métal fondu. Cet assemblage comprend une plaque fixe et une plaque coulissante comportant plusieurs alésages. Les limites de course disponibles de la plaque coulissante produisent au moins deux bordures coupantes et une position de fermeture d'urgence indépendante de transducteurs, de capteurs ou du jugement de l'opérateur. La plaque peut comprendre des alésages de formes ovales afin de posséder une meilleure marge de fermeture ou des alésages décalés afin d'améliorer l'écoulement du métal fondu à travers le canal de verse défini par l'alignement de l'alésage fixe et d'un alésage coulissant.
King Patrick Dana
Ross Douglas Howard
Robic
Vesuvius Crucible Company
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