EP 0041942 A1 19811216 - Method of alternately closing and opening the tap hole of metallurgical furnaces, especially of blast furnaces.
Title (en)
Method of alternately closing and opening the tap hole of metallurgical furnaces, especially of blast furnaces.
Title (de)
Verfahren zum wechselweisen Verschliessen und Öffnen des Stichloches metallurgischer Öfen, insbesondere von Hochöfen.
Title (fr)
Procédé pour boucher et déboucher réciproquement le trou de coulée de fours métallurgiques, notamment de hauts fourneaux.
Publication
Application
Priority
AT 299280 A 19800606
Abstract (en)
In a method of alternately closing and opening the tap hole, which is closed by a tap hole mixture and is to be broken through by a beater bar, in metallurgical furnaces, especially blast furnaces, substantial advantages are achieved according to the invention when the beater bar is beaten into the tap hole mixture still partially in the plastic state in the tap hole; it remains there until the furnace is tapped, and is then withdrawn from the tap hole.
IPC 1-7
IPC 8 full level
CPC (source: EP)
C21B 7/12 (2013.01)
Citation (search report)
- [P] EP 0018347 A1 19801029 - VER EDELSTAHLWERKE AG [AT]
- [A] DE 1231272 B 19661229 - DANGO & DIENENTHAL KOMMANDITGE, et al
- [A] DE 437206 C 19261116 - DEUTSCHE MASCHF AG
- [AD] DE 466236 C 19281003 - WERNER HANDELSGESELLSCHAFT
- [P] EP 0025423 A1 19810318 - ATLAS COPCO FRANCE [FR], et al
- [AD] US 1537901 A 19250512 - FILIP THARALDSEN
- [AD] DE 263914 C
- PATENTS ABSTRACTS OF JAPAN Band 2, Nr. 43, 23.03.1978 seite 4904C77 & JP-A-52150703
- PATENTS ABSTRACTS OF JAPAN Band 3, Nr. 55, 11.05.1979 seite 122C45 & JP-A-54031006
Designated contracting state (EPC)
BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0041942 A1 19811216; AT 365651 B 19820210; AT A299280 A 19810615; JP S5713105 A 19820123
DOCDB simple family (application)
EP 81890093 A 19810601; AT 299280 A 19800606; JP 8453581 A 19810603