Side wall for a twin-roll caster for the production of thin metal strips

摘要

A lateral face (4) is claimed for closing the casting space of a continuous casting installation for the production of metal strip (7) between two rolls (1, 1') counter- rotating closely together on their horizontal axes, of the type incorporating a lower part (10) made of a first refractory material with an elevated hardness in the zone where the lower part (10) is in contact with the sides (5, 5') of the rolls (1, 1') or with the liquid metal (3) or with an edge of the solidified strip (7). The lower part (10) incorporates, on its face destined to be turned in the direction of the casting space, a recess filled with a refractory material. Preferably this refractory material enclosed by the recess is a material presenting a lower hardness than that of the first refractory material and with elevated thermal insulating properties.