POURING CUP FOR INTRAMOLD MODIFYING OF MELT Russian patent published in 1994 - IPC

FIELD: casting production. SUBSTANCE: the pouring cup has two or three cores, one of the cores includes a metal receiver, a main part of a reaction chamber and output hole, joined with a riser; the other of the cores includes ports, connecting with a common duct; third core (if it is used) provides final restriction of the reaction chamber. One of the cores, having the ports for passing the melt from the reaction chamber into the common duct, joined with the riser, is wrapped by filtering glass cloth. EFFECT: enhanced quality of modifying process. 2 cl, 6 dwg