EQUIPMENT TO MANUFACTURE MOULDS Russian patent published in 1998 - IPC

FIELD: foundry, manufacture of modeling equipment to produce moulds for both hand and machine moulding. SUBSTANCE: guides of predominantly round shape are installed on plates under models in areas free from models and pouring gate system. Inclination angle of guides is 10-15' less than pouring angle on models. Guides have height exceeding that of models. Casting heads having inclination angle 10-15' less than pouring angle can function as guides. Equipment provides for manufacture of working outline without distortions. Breaks in moulds are avoided in process of removal of semi-moulds from plate under models. EFFECT: facilitated manufacture of moulds. 3 cl, 6 dwg, 1 tbl