Global Patent Index - EP 0122844 A1

EP 0122844 A1 19841024 - Blast furnace tapping apparatus by withdrawing the tapping bar.

Title (en)

Blast furnace tapping apparatus by withdrawing the tapping bar.

Title (de)

Abstichmaschine für Hochöfen durch Ausziehen der Bohrstange.

Title (fr)

Dispositif de débouchage de haut-fourneau par extraction de barre.

Publication

EP 0122844 A1 19841024 (FR)

Application

EP 84400663 A 19840404

Priority

FR 8305962 A 19830412

Abstract (en)

1. Device for extracting a bar (8) of the type comprising : a frame (10) means (18, 14) for securing the frame on a supporting machine movable at least in the two directions (31, 32) of the axis of the bar (8), means (12) for wedging in the bar (8), comprising a hole (24) to allow the bar through, said hole being formed in a pivotal part (12, 33) hinged on a pin (22) of the frame (10), characterized in that the hole (24) has a set diameter greater than that of the bar (8), and the mobility of the securing means (18, 24) cooperates with the pivotal wedging means (12) in order to wedge the bar (8) in position by relative pivoting movement of the hole (24) with respect to the bar (8).

Abstract (fr)

Le dispositif (8) comprend: un bâti (10), un moyen de fixation (11) du bâti sur une machine de support, un moyen de coincement (12) comportant un trou (24) de diamêtre supérieur à celui de la barre (8), formé dans une pièce basculante (23) articulée sur un axe (22) du bâti (10). Le dispositif s'adapte au nez de la machine à boucher prévue pour le haut-fourneau (6).

IPC 1-7

C21B 7/12

IPC 8 full level

C21B 7/12 (2006.01)

CPC (source: EP)

C21B 7/12 (2013.01)

Citation (search report)

Designated contracting state (EPC)

BE DE GB IT NL SE

DOCDB simple family (publication)

EP 0122844 A1 19841024; EP 0122844 B1 19870729; DE 3465113 D1 19870903; FR 2544332 A1 19841019; FR 2544332 B1 19850809

DOCDB simple family (application)

EP 84400663 A 19840404; DE 3465113 T 19840404; FR 8305962 A 19830412