C - Chemistry – Metallurgy – 21 – B
Patent
C - Chemistry, Metallurgy
21
B
39/98
C21B 7/14 (2006.01) C21B 7/12 (2006.01) F27D 3/15 (2006.01)
Patent
CA 1334336
To open a furnace taphole that is closed by a body of plugging material and a tapping rod the tapping rod is driven into the interior of the furnace. Because the tapping rod is driven in and not withdrawn, it is not necessary to provide a second hammer striking blows in the opposite direction, but the hammer used to drive the tapping rod into the body of plugging material is again employed.
590085
Dango & Dienenthal Maschinenbau Gmbh
Swabey Ogilvy Renault
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