FURNACE FOR CASTING PARTS WITH AN ORIENTED STRUCTURE CONTAINING A REMOVABLE HEAT-INSULATING SCREEN

A heat shield for a casting furnace consists of at least two elements slidably mounted in the furnace. The elements are generally planar in shape and extend between heating and cooling zones to provide the requisite heat insulation characteristics. The heat shield elements are movable in a direction...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	LALLEMENT, BERNARD LOUIS
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR BLASTING CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CHEMISTRY CRYSTAL GROWTH DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES HEATING KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY OVENS PERFORMING OPERATIONS POWDER METALLURGY PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL RETORTS SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH TRANSPORTING UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL WEAPONS
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Beschreibung
Zusammenfassung:	A heat shield for a casting furnace consists of at least two elements slidably mounted in the furnace. The elements are generally planar in shape and extend between heating and cooling zones to provide the requisite heat insulation characteristics. The heat shield elements are movable in a direction generally parallel to their plane which extends generally perpendicularly to the path of movement of the mold from the heating zone into the cooling zone. Each of the heat shield elements consists of a generally planar, substantially rigid portion slidably mounted in the furnace and a generally planar second portion formed of a flexible refractory material. Distal edges of the second portions may overlap each other and may define an opening, the contour of which closely approximates that of the cross sectional contour of the mold.