EP 0181853 B1 19880127 - GAS FLUSHING PLUG FOR METALLURGICAL FURNACES AND VESSELS
Title (en)
GAS FLUSHING PLUG FOR METALLURGICAL FURNACES AND VESSELS
Publication
Application
Priority
AT 296284 A 19840918
Abstract (en)
[origin: US4657226A] The invention relates to apparatus including a gas purge brick for metallurgical furnaces and vessels, which is connected with a gas supply pipe on its cold end remote from the interior of the furnace or vessel. Within the gas supply pipe there is centrally arranged a solid metal core which is surrounded by a helix. Optionally, at least the part of the gas supply pipe adjoining the cold brick end is surrounded by a protecting tube filled with a refractory material.
IPC 1-7
IPC 8 full level
C21C 5/52 (2006.01); B22D 1/00 (2006.01); C21C 5/48 (2006.01); C21C 7/072 (2006.01)
CPC (source: EP US)
B22D 1/005 (2013.01 - EP US)
Designated contracting state (EPC)
BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0181853 A1 19860521; EP 0181853 B1 19880127; AT 383617 B 19870727; AT A296284 A 19861215; CA 1257091 A 19890711; DE 3561516 D1 19880303; ES 296151 U 19871016; ES 296151 Y 19880416; JP S6173811 A 19860416; US 4657226 A 19870414
DOCDB simple family (application)
EP 85890169 A 19850730; AT 296284 A 19840918; CA 490872 A 19850917; DE 3561516 T 19850730; ES 296151 U 19850917; JP 19786985 A 19850909; US 77644185 A 19850916