Aluminium ingot casting machine

B - Operations – Transporting – 22 – D

Patent

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Details

B22D 9/00 (2006.01) B22D 5/02 (2006.01) B22D 7/00 (2006.01) B22D 7/12 (2006.01)

Patent

CA 2427894

An aluminum ingot casting machine comprising a source of molten metal, a rotatable annular ring, carrying ingot casting moulds and a drive means for indexing the moulds. The machine includes a vacuum demoulder having a vacuum seal arrangement comprising a sealing element having a flexible core which can deform to form a vacuum seal against an ingot and a flexible abrasion resistant outer layer on said core, and retaining elements located on a lower face of the vacuum lifting head for releasably retaining the sealing element onto the lifting head. The vacuum seal comprises a flexible ring shaped body, being rounded in cross section, having a fibre cord core and an abrasion resistant flexible sheathing surrounding the core.

Une machine à couler des lingots d'aluminium comportant une source de métal en fusion, un anneau rotatif, qui transporte des moules pour couler des lingots et un moyen d'entraînement pour l'indexage des moules. La machine comprend un dispositif de démoulage sous vide ayant un arrangement de joint à vide qui comporte un élément d'étanchéité avec un noyau souple qui peut se déformer pour former un joint hermétique contre le lingot et une couche extérieure souple résistante à l'abrasion sur le noyau, et des éléments de retenue situés sur une face inférieure de la tête de levage à vide pour retenir l'élément d'étanchéité contre la tête de levage avec possibilité de relâchement. Le joint hermétique comprend un corps souple en forme d'anneau, arrondi en coupe transversale et ayant un noyau de fibre et un revêtement souple résistant à l'abrasion entourant le noyau.

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