Global Patent Index - EP 0379018 A3

EP 0379018 A3 19910911 - PROCESS AND DEVICE FOR OPENING THE TAPHOLE OF A SHAFT FURNACE

Title (en)

PROCESS AND DEVICE FOR OPENING THE TAPHOLE OF A SHAFT FURNACE

Publication

EP 0379018 A3 19910911 (FR)

Application

EP 90100267 A 19900108

Priority

LU 87427 A 19890116

Abstract (en)

[origin: EP0379018A2] The process for opening the tap hole of a tank furnace by withdrawal of a rod (22) held in the hardened plugging mass (24) of the tap hole consists in engaging a means of coupling (36) onto the end of the rod (22), seizing the rod (22) with the aid of a claw (46) capable of being moved lengthwise by a hydraulic jack (42), pulling back the rod (22) over a length corresponding to the travel of the jack (42) and repeating this operation under the rod has been completely withdrawn from the tap hole.

IPC 1-7

C21B 7/12

IPC 8 full level

C21B 7/12 (2006.01)

CPC (source: EP US)

C21B 7/12 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

AT BE FR GB IT NL

DOCDB simple family (publication)

EP 0379018 A2 19900725; EP 0379018 A3 19910911; AU 4780590 A 19900719; AU 626965 B2 19920813; BR 9000204 A 19901113; CA 2007184 A1 19900716; CN 1021124 C 19930609; CN 1044301 A 19900801; CZ 14090 A3 19981014; DE 3941405 A1 19900719; DE 3941405 C2 19990325; JP 2805368 B2 19980930; JP H02228410 A 19900911; LU 87427 A1 19900724; RU 1774954 C 19921107; UA 15738 A 19970630; US 5192489 A 19930309

DOCDB simple family (application)

EP 90100267 A 19900108; AU 4780590 A 19900109; BR 9000204 A 19900116; CA 2007184 A 19900104; CN 90100161 A 19900115; CS 14090 A 19900111; DE 3941405 A 19891215; JP 606190 A 19900111; LU 87427 A 19890116; SU 4742856 A 19900115; UA 4742856 A 19900115; US 46241590 A 19900109