B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
22/85
B22D 39/02 (2006.01) B22D 41/36 (2006.01)
Patent
CA 1233620
ABSTRACT REFRACTORY WEAR PARTS FOR SLIDING GATE VALVES A refractory wear part such as a plate or a sleeve for a sliding gate valve for controlling the flow of molten metal has a flow opening flowing through it and defines a chamber 9 which is closed by a stopper 10 and which contains a solid liquid or gaseous impregnating agent 11. In use, the impregnating agent permeates through the refractory material and occupies the pores of the material at the or each surface which is subject to wear thereby preventing the infiltration of molten metal.
474915
Didier-Werke A.g.
Fetherstonhaugh & Co.
LandOfFree
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