Global Patent Index - EP 2488459 A1

EP 2488459 A1 20120822 - GLASS FURNACE HAVING CONTROLLED SECONDARY RECIRCULATION OF THE GLASS

Title (en)

GLASS FURNACE HAVING CONTROLLED SECONDARY RECIRCULATION OF THE GLASS

Title (de)

GLASSCHMELZOFEN MIT GEREGELTER SEKUNDÄRER GLASREZIRKULATION

Title (fr)

FOUR DE VERRE AVEC CONTROLE DE LA RECIRCULATION SECONDAIRE DU VERRE

Publication

EP 2488459 A1 20120822 (FR)

Application

EP 10773151 A 20101006

Priority

  • FR 0904925 A 20091014
  • IB 2010054521 W 20101006

Abstract (en)

[origin: WO2011045713A1] The invention relates to a furnace for melting and fining glass, which includes: a vault provided with a heating means, a hearth (2) forming the bottom of a vat containing a bath (3) of molten glass, a width restriction (4), in particular a corset, defining a downstream portion (5) and an upstream portion (6) in the vat, and an outlet through which the molten glass is discharged, a secondary recirculation loop (B) for the molten glass forming in the bath between a hotter inner area of the furnace and the cooler outlet, said loop passing through the corset; the furnace comprises a means (M) for adjusting the width through which the glass can pass into the secondary recirculation loop, said adjustment means being submerged in the bath and extending vertically over most of the depth of the bath.

IPC 8 full level

C03B 5/182 (2006.01)

CPC (source: EP US)

C03B 5/182 (2013.01 - EP US)

Citation (search report)

See references of WO 2011045713A1

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

DOCDB simple family (publication)

FR 2951156 A3 20110415; FR 2951156 B3 20110916; BR 112012008512 A2 20160405; EP 2488459 A1 20120822; US 2012216578 A1 20120830; WO 2011045713 A1 20110421

DOCDB simple family (application)

FR 0904925 A 20091014; BR 112012008512 A 20101006; EP 10773151 A 20101006; IB 2010054521 W 20101006; US 201013501287 A 20101006