C - Chemistry – Metallurgy – 21 – B
Patent
C - Chemistry, Metallurgy
21
B
39/66, 39/94
C21B 9/06 (2006.01)
Patent
CA 1119400
ABSTRACT OF THE DISCLOSURE A breast wall construction of a blast furnace hot blast stove includes a free-moving vertical arch composed of reverse wedge interlocking refractory shapes which form a monolithic unit upon differential heat expansion of the breast wall when the blast stove is operating in the on-gas mode.
324814
Borden Ladner Gervais Llp
Koppers Company Inc.
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