EP 0053554 B2 19910821 - PROCESS FOR THE MANUFACTURE OF BOTTOMS FOR METALLURGICAL VESSELS
Title (en)
PROCESS FOR THE MANUFACTURE OF BOTTOMS FOR METALLURGICAL VESSELS
Publication
Application
Priority
FR 8025615 A 19801202
Abstract (en)
[origin: US4403768A] In a process for forming the bottom of a metallurgical container, especially the bottom of a converter for refining pig iron, of the type which comprises a metallic base, at least one layer of refractory material superimposed on the metallic base, a first layer of refractory bricks superimposed on the layer of refractory material, and a second layer of refractory bricks on said first layer, the steps of placing, spaced from each other, on said first layer a plurality of refractory elements permeable to gas and each enclosed in a metal casing open at the top, circumferentially surrounding the metal casing of each of the elements with bricks of a material which expands during rise of the temperature and thereafter completing the second layer with refractory bricks.
IPC 1-7
IPC 8 full level
C21C 5/44 (2006.01); B22D 1/00 (2006.01); C21C 5/32 (2006.01); C21C 5/35 (2006.01); C21C 5/48 (2006.01); C21C 7/072 (2006.01); F27D 1/00 (2006.01); F27D 1/16 (2006.01)
CPC (source: EP KR US)
B22D 1/005 (2013.01 - EP US); C21C 5/35 (2013.01 - EP US); C21C 5/44 (2013.01 - KR); C21C 5/48 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE DE GB IT LU NL SE
DOCDB simple family (publication)
EP 0053554 A1 19820609; EP 0053554 B1 19841212; EP 0053554 B2 19910821; AT E10754 T1 19841215; AU 542722 B2 19850307; AU 7788381 A 19820610; BR 8107825 A 19820706; CA 1181587 A 19850129; CS 223850 B2 19831125; DE 3167751 D1 19850124; ES 274986 U 19840416; ES 274986 Y 19841201; FR 2495187 A1 19820604; FR 2495187 B1 19830128; IN 155087 B 19841229; JP S57120085 A 19820726; JP S61150845 U 19860918; JP S6236845 Y2 19870919; KR 830007854 A 19831107; KR 890003683 B1 19890930; PT 74043 A 19811201; PT 74043 B 19830426; SU 1314956 A3 19870530; US 4403768 A 19830913; ZA 818089 B 19821027
DOCDB simple family (application)
EP 81401880 A 19811127; AT 81401880 T 19811127; AU 7788381 A 19811125; BR 8107825 A 19811201; CA 390801 A 19811124; CS 867481 A 19811125; DE 3167751 T 19811127; ES 274986 U 19811130; FR 8025615 A 19801202; IN 1369CA1981 A 19811202; JP 17504985 U 19851115; JP 19186581 A 19811201; KR 810004673 A 19811201; PT 7404381 A 19811127; SU 3356099 A 19811125; US 32584481 A 19811130; ZA 818089 A 19811120