Global Patent Index - EP 3443132 A1

EP 3443132 A1 20190220 - BLOWING LANCE NOZZLE

Title (en)

BLOWING LANCE NOZZLE

Title (de)

BLASLANZENDÜSE

Title (fr)

NEZ DE LANCE DE SOUFFLAGE

Publication

EP 3443132 A1 20190220 (FR)

Application

EP 17722381 A 20170413

Priority

  • BE 201605264 A 20160415
  • EP 2017058981 W 20170413

Abstract (en)

[origin: WO2017178611A1] Blowing lance nozzle comprising a central stirring gas-supply tube (2), an inner coolant-inlet tube (5), an outer coolant-outlet tube (10) closed, at one end facing the bath, by a third front wall (12) that has an inner surface (30) with a central region (14), a heat exchange space (16), a stirring gas-outlet pipe (17) leading from each opening (4) in the front wall (3), and a post (18) with a thinned-down portion (I) connected to the central region (14) of the inner surface (30) of the third front wall (12) and forming, with said central region (14), a continuous curved surface (19).

IPC 8 full level

C21C 5/46 (2006.01)

CPC (source: EP)

C21C 5/4606 (2013.01); C21C 2005/4626 (2013.01)

Citation (search report)

See references of WO 2017178611A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2017178611 A1 20171019; BE 1023582 B1 20170509; EP 3443132 A1 20190220; EP 3443132 B1 20200520

DOCDB simple family (application)

EP 2017058981 W 20170413; BE 201605264 A 20160415; EP 17722381 A 20170413