EP 0059805 A1 19820915 - Porous nozzle for molten metal vessel.
Title (en)
Porous nozzle for molten metal vessel.
Title (de)
Poröser Ausgusstein für einen Behälter für eine Metallschmelze.
Title (fr)
Busette poreuse pour récipient contenant un métal fondu.
Publication
Application
Priority
EP 81301019 A 19810311
Abstract (en)
A refractory porous nozzle which is arranged at the bottom of a molten metal vessel, characterized in that said porous nozzle (1) is made in one body having a flange portion (1a) at its upper portion and a cylindrical portion (1b) at its lower portion, the outer peripheral surface of the main body of said porous nozzle is gas-tightly enclosed with a steel shell (3), a gas pool (2) is provided between the bottom surface of said flange portion and the outer peripheral surface of said cylindrical portion, and the inner peripheral surface of said steel shell, and the gas pool is communicated with an inert gas feeding pipe (4).
IPC 1-7
IPC 8 full level
B22D 1/00 (2006.01); B22D 41/42 (2006.01); B22D 41/58 (2006.01)
CPC (source: EP)
B22D 1/005 (2013.01); B22D 41/42 (2013.01); B22D 41/58 (2013.01)
Citation (search report)
- US 3773226 A 19731120 - KUTZER H
- FR 2169894 A1 19730914 - STOECKER & KUNZ GMBH [DE]
- DE 2811546 A1 19780921 - SUMITOMO METAL IND
- FR 2167284 A1 19730824 - SIDERURGIE FSE INST RECH [FR]
- GB 834234 A 19600504 - PATENTVERWERTUNG AG
Designated contracting state (EPC)
BE DE FR GB IT LU NL
DOCDB simple family (publication)
EP 0059805 A1 19820915; EP 0059805 B1 19850213; DE 3168852 D1 19850328
DOCDB simple family (application)
EP 81301019 A 19810311; DE 3168852 T 19810311