B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 27/04 (2006.01) C30B 11/00 (2006.01)
Patent
CA 2266340
The invention relates to a casting device which inside a heating chamber (6) has a casting mould (5) which can be displaced from the heating chamber to a bath of cooled molten metal (10) situated below said heating chamber. As heat insulation between the heating chamber (6) and the bath of cooled molten metal (10) the invention provides for a heat insulating layer (13) floating on said bath of cooled molten metal (10) through which the casting mould (5) dips into the cooled molten metal (10). To prevent the formation of clumps within the heat insulating layer (13) the invention provides for a rake or stirrer (19) which is moved by a shaking device (17) and agitates or mixes the heat insulating layer.
Un dispositif de coulée présente, à l'intérieur d'une chambre de chauffe (6), un moule de coulée (5) déplaçable dans un bain de métal en fusion refroidi (10) situé à l'extérieur et au-dessous de cette chambre. Comme isolation thermique entre la chambre de chauffe (6) et le bain en fusion refroidi (10), il est prévu une couche thermiquement isolante (13) surnageant sur le bain (10), au travers de laquelle est immergé ledit moule de coulée (5) dans le bain en fusion refroidi (10). Afin d'éviter la formation de mottes, il est prévu, à l'intérieur de la couche thermiquement isolante (13) un système de râteau ou d'agitateur (19) déplacé par un appareil à secousses (17) et provoquant l'agitation ou le tournoiement de ladite couche.
Hugo Franz
Ald Vacuum Technologies Aktiengesellschaft
Ald Vacuum Technologies Gmbh
Dennison Associates
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