PLANT FOR SPALLING SKULL IN HOT-METAL TRANSFER LADLE Russian patent published in 1994 - IPC

FIELD: metallurgy. SUBSTANCE: working member 6 consists of bowl-shaped overturned plate 10 with bevelled knife edges and bosses 12 on outer surface of bottom of plate 10, bushings 13, removable teeth 14 and stop wedges 15. Removable teeth 14 are made with fitting cones 16 and cylindrical tails 17 with ports 18 passed through which are stop wedges 15. Stop wedges 15 pass at the same time through recesses 19 made in bosses 12. Permanently connected to stop wedges 15 in point part are retainers 20 which consist of pack of stop plates 21 and adjusting plates 22. EFFECT: higher efficiency. 4 cl, 5 dwg