B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
39/113, 22/80
B22D 41/28 (2006.01) B22D 41/34 (2006.01)
Patent
CA 1339524
A refractory valve plate for a sliding gate valve for controlling the flow of molten metal has at least one flow opening (24) and a metal band (21,23) surrounding its peripheral surface. The plate has a machined cylindrical surface (21',23') which, in use, is engaged by a metallic frame (14,17) of the valve to locate the plate with respect to the frame. The machined cylindrical surface is afforded by a metallic band which may be integral with the metallic band surrounding the peripheral surface of the plate or separate from it.
587822
Fetherstonhaugh & Co.
Stopinc Ag
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