F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
25/102, 39/104,
F27D 1/00 (2006.01) C21C 5/48 (2006.01) F27D 3/16 (2006.01)
Patent
CA 1136408
ABSTRACT A gas-permeable insert for introducing scavenging or carrier gas is installed in wall of a converter by inserting the insert in a metallic or ceramic cylindrical pipe which extends through the wall in a bore. The insert is replaced by drilling it out, using the pipe as a drilling guide, and then installing a new one.
369772
Brihay Jacques
Langenfeld Wilhelm
Didier-Werke A.g.
Fetherstonhaugh & Co.
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