Slide-gate pouring appliance for ladles and similar devices

Abstract From the Canadian patent

Slide-gate pouring device comprising a first metal frame, solid with the bottom of a ladle and supporting a, first fixed holed refractory plate a second removable metal, frame, hanging with a clearance from the first metal frame and supporting a pair of fixed guides on which through, complementary guides there runs and a third sliding metal, frame supporting a second holed refractory plate between a, first working position in which the hole in the first fixed refractory plate is aligned with the hole in the second holed refractory plate, and a second working position in which the holes in the first fixed and the second refractory plate are out of axis and do not interfere with each other in …