Global Patent Index - EP 2352859 A2

EP 2352859 A2 20110810 - PICKLING METHOD AND PICKLING PLANT

Title (en)

PICKLING METHOD AND PICKLING PLANT

Title (de)

BEIZVERFAHREN UND BEIZANLAGE

Title (fr)

PROCÉDÉ ET INSTALLATION DE DÉCAPAGE

Publication

EP 2352859 A2 20110810 (DE)

Application

EP 09796936 A 20091103

Priority

  • DE 2009001552 W 20091103
  • DE 102008055668 A 20081103
  • DE 102008063729 A 20081218
  • DE 102008062970 A 20081223

Abstract (en)

[origin: WO2010060408A2] Disclosed are a method for treating aluminum or aluminum alloy workpieces and a plant that can be operated according to such a method. According to the invention, a partial amount of a solution is withdrawn from a bath for treating the workpieces, solids are removed from said partial amount of the solution, and the partial amount of the solution is fed back to the bath at a predetermined concentration and a predetermined volume flow rate.

IPC 8 full level

C23F 1/36 (2006.01); C23F 1/46 (2006.01); C23G 1/22 (2006.01); C23G 1/36 (2006.01); C23G 3/02 (2006.01); C25D 21/14 (2006.01)

CPC (source: EP)

C23F 1/36 (2013.01); C23F 1/46 (2013.01); C23G 1/22 (2013.01); C23G 1/36 (2013.01); C23G 3/027 (2013.01); C25D 11/16 (2013.01)

Citation (search report)

See references of WO 2010060408A2

Designated contracting state (EPC)

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 SE SI SK SM TR

DOCDB simple family (publication)

WO 2010060408 A2 20100603; WO 2010060408 A3 20101007; WO 2010060408 A4 20101125; DE 112009003274 A5 20120920; EP 2352859 A2 20110810; EP 2352859 B1 20180627

DOCDB simple family (application)

DE 2009001552 W 20091103; DE 112009003274 T 20091103; EP 09796936 A 20091103