(19)
(11) EP 1 008 676 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
08.11.2000 Bulletin 2000/45

(43) Date of publication A2:
14.06.2000 Bulletin 2000/24

(21) Application number: 99830766.4

(22) Date of filing: 09.12.1999
(51) International Patent Classification (IPC)7: C23G 3/02, C23G 1/08
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 10.12.1998 IT RM980761

(71) Applicant: CENTRO SVILUPPO MATERIALI S.p.A.
00129 Roma (IT)

(72) Inventors:
  • Dulcetti, Alessandro, c/o C. Sviluppo Mat. S.p.A.
    00129 Roma (IT)
  • Giannetti, Armando, c/o C. Sviluppo Mat. S.p.A.
    00129 Roma (IT)

(74) Representative: Leone, Mario et al
Società Italiana Brevetti S.p.A. Piazza di Pietra 39
00186 Roma
00186 Roma (IT)

   


(54) Accelerated steel strip pickling process and device for carrying out the process


(57) A process for the continuous pickling in a non-oxidizing acid bath of hot-rolled steel strips, characterised in that the strip is subject to the pickling action of the bath, additioned of a pickling catalyst, under turbulent conditions. An embodiment of the device apt to carry out the aforesaid process is shown in figure 1.






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