EP 0146079 B1 19900307 - GAS-PERMEABLE REFRACTORY PLUG
Title (en)
GAS-PERMEABLE REFRACTORY PLUG
Publication
Application
Priority
LU 85131 A 19831212
Abstract (en)
[origin: ES291744U] A gas-permeable element of a refractory material for blowing gases into a metal treatment vessel through its lining has a body of a refractory material, a metal housing on the longitudinal sides of the refractory body, a free inner end surface at which the refractory material is exposed, an outer end surface provided with a gas distributing chamber for a gas supply, at least one local opening extending in the interior of the refractory body for a gas passage between the end surfaces and provided with a metal insert, wherein the metal insert is formed as a laterally closed small channel, the gas-distributing chamber is separated from the refractory material by a metal sheet plate, and the metal channel is tightly mounted in the metal sheet plate so that the refractory material is maintained free from loading with a gas pressure.
IPC 1-7
IPC 8 full level
B22D 1/00 (2006.01); C21C 5/44 (2006.01); C21C 5/48 (2006.01); C21C 7/072 (2006.01)
CPC (source: EP KR US)
B22D 1/005 (2013.01 - EP US); C21C 5/44 (2013.01 - KR); C21C 5/48 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE DE FR GB IT NL SE
DOCDB simple family (publication)
EP 0146079 A2 19850626; EP 0146079 A3 19870107; EP 0146079 B1 19900307; AT E50797 T1 19900315; AU 3645584 A 19860619; AU 566336 B2 19871015; BR 8406349 A 19851008; CA 1247861 A 19890103; DE 3481527 D1 19900412; ES 291744 U 19860501; ES 291744 Y 19870301; IN 162802 B 19880709; JP S60149709 A 19850807; KR 850004990 A 19850819; LU 85131 A1 19850912; US 4647020 A 19870303; ZA 849690 B 19850731
DOCDB simple family (application)
EP 84114799 A 19841205; AT 84114799 T 19841205; AU 3645584 A 19841210; BR 8406349 A 19841211; CA 469956 A 19841212; DE 3481527 T 19841205; ES 291744 U 19841212; IN 975MA1984 A 19841211; JP 26264384 A 19841212; KR 840007862 A 19841212; LU 85131 A 19831212; US 68121584 A 19841212; ZA 849690 A 19841212