Under vacuum enclosure for steel decarburization treatment.

摘要

Enclosure (1) for the treatment under vacuum especially decarburization of steel, comprising: - an upper part (2) called high Cuba, which is shaped like a vacuum bell, - a lower part (3) called low Cuba, comprising two cloths (4) (5) equipped with two pistons (7) (8), of which (7) and calls up the (8) descending, intended to be immersed in the steel chamber to treat these plungers (7) (8) being associated with the canvas (4) (5) of Cuba by means of flanges (10) with a seam (11) has a seal, allowing the flanges ( 10) the assembly and disassembly of the pistons, characterized in that the joint (11) contains at least two parallel planes (12 (13) allowing moving a part of the joint plane outside the turbulence zone.