POURING GATE SYSTEM WITH SUMP-INSERT Russian patent published in 2015 - IPC B22C9/08 

FIELD: metallurgy.

SUBSTANCE: pouring gate system contains pouring basin, riser, sump, slug catcher with feeders, throttle and sump-insert. The sump-insert is made out of rods and is arranged under vertical riser in bottom half-mould. The sump-insert gas U shape and contains central and side parts. In the central part of the sump-insert the sump is made, at both sides of the sump on here internal surfaces of the sump-insert two throttles are installed. The throttles have shape of triangular prisms and act as stress concentrators. Side parts of the sump-insert are part of the slug catcher. The vertical riser is located at centre of the mould above the slug catcher located at both sides of the vertical riser symmetrically to its axis.

EFFECT: easy separation of the pouring gate system to parts on the knockout grate.

1 dwg