CHAMBER FOR MOLDING BRIQUETTES OF CASTING MOLD FROM GREEN MOLDING SAND Russian patent published in 2004 - IPC

FIELD: foundry.

SUBSTANCE: chamber for molding briquettes from green molding sand has tubular configuration. Chamber includes upper wall with charging opening, first end wall, second end wall and two lateral movable walls. First end wall is connected with hydraulic cylinder; second end wall is joined with articulation lever for opening chamber and pushing out briquette. Each lateral wall may be moved by means of hydraulic cylinder. Movable end walls are in the form of changeable pattern plate joined with framework. It is possible to change width of chamber depending upon volume of mould briquette due to moving lateral walls. Frameworks and pattern plates are changed on end plates.

EFFECT: lowered consumption of molding sand, enhanced efficiency of process.

2 cl, 5 dwg