EP 0336109 A1 19891011 - Tuyere for refining lances.
Title (en)
Tuyere for refining lances.
Title (de)
Düse für Frischlanzen.
Title (fr)
Tuyère pour lance d'affinage.
Publication
Application
Priority
LU 87156 A 19880311
Abstract (en)
Tuyere for a refining lance arranged set back from the lance head and supplying afterburning oxygen to the space situated above a bath of metal which is being refined. The tuyere (21) has a mouthpiece which has parallel sharp ridges (33) arranged in planes passing substantially through the axis of the lance (20), which are connected by slightly rounded ridges. Upstream of the mouthpiece of the tuyere (21) a convergent part (32) is provided. <IMAGE>
IPC 1-7
IPC 8 full level
C21C 5/30 (2006.01); C21C 5/46 (2006.01); C21C 5/48 (2006.01)
CPC (source: EP US)
C21C 5/4606 (2013.01 - EP US); C21C 5/48 (2013.01 - EP US); C21C 5/305 (2013.01 - EP US)
Citation (search report)
- [A] EP 0234389 A2 19870902 - ARBED [LU]
- [A] US 3488044 A 19700106 - SHEPHERD WILLIAM E
- [AD] LU 78906 A1 19790906 - ARBED [LU]
- [A] EP 0081448 B1 19860910
- [A] GB 2085562 A 19820428 - ARBED
Designated contracting state (EPC)
AT BE DE ES FR GB IT NL SE
DOCDB simple family (publication)
EP 0336109 A1 19891011; EP 0336109 B1 19920812; AT E79412 T1 19920815; AU 3116089 A 19890914; AU 611777 B2 19910620; BR 8901017 A 19891024; CA 1330874 C 19940726; DE 68902411 D1 19920917; DE 68902411 T2 19921210; ES 2034433 T3 19930401; JP 2641287 B2 19970813; JP H01275713 A 19891106; LU 87156 A1 19891026; US 4971297 A 19901120
DOCDB simple family (application)
EP 89103569 A 19890301; AT 89103569 T 19890301; AU 3116089 A 19890309; BR 8901017 A 19890302; CA 593013 A 19890307; DE 68902411 T 19890301; ES 89103569 T 19890301; JP 5947389 A 19890310; LU 87156 A 19880311; US 32103189 A 19890309