B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 11/14 (2006.01) B22D 11/04 (2006.01) B22D 11/07 (2006.01) G03F 7/26 (2006.01)
Patent
CA 2094002
Mold apparatus for continuous casting of metal, having means for supplying one or more mold release agents to the surface of the billet or ingot forming in a cooled mold. The release agent supply means has outlet openings which terminate in an intermediate area between a hot top section and a mold section in which the molten metal solidifies. An intermediate release agent supply plate having a central cross sectional opening is provided between the hot top section and the mold section, the surface of said central opening, adjoining the surfaces of the hot top section and the mold section. The intermediate element comprises a flat plate having release agent-supply channels that extend to the opening edge and are precision-formed into the upper and lower surfaces of the intermediate element to a constant depth. Liquid and/or gaseous mold release agents are fed through the supply plate to lubricate the mold surface along which the ingot is formed, cooled and lowered.
Cette invention concerne un moule de coulée continue qui comporte des moyens de distribution d'un ou de plusieurs agents de démoulage sur la surface d'une billette ou d'un lingot de métal se solidifiant dans un moule refroidi. Le moyen de distribution d'agent de démoulage comporte des orifices de sortie qui débouchent dans une zone intermédiaire entre la section supérieure chaude et la section inférieure froide où la solidification est amorcée. Une plaque intermédiaire de distribution d'agent de démoulage comportant une ouverture transversale centrée est prévue entre la section chaude supérieure et la section froide. L'élément intermédiaire comprend une plaque plane comportant des caniveau de distribution d'agent de démoulage qui se prolongent jusqu'au bord de l'ouverture et qui sont usinés à tolérances de profondeur serrées dans les faces supérieure et inférieure. Les agents de démoulage liquides et/ou gazeux sont acheminés à travers la plaque de distribution pour lubrifier la surface intérieure du moule le long de laquelle le métal fondu s'écoule, se refroidit et se solidifie en forme de lingot.
Langen Manfred
Schneider Wolfgang
Maerz-Gautschi Industrieofenanlagen Gmbh
Smart & Biggar
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