(19)
(11) EP 1 825 206 A1

(12)

(43) Date of publication:
29.08.2007 Bulletin 2007/35

(21) Application number: 05856218.2

(22) Date of filing: 12.10.2005
(51) International Patent Classification (IPC): 
F28F 9/007(2006.01)
C09C 1/48(2006.01)
 F28D 7/16(2006.01)
(86) International application number:
PCT/EP2005/055205
(87) International publication number:
WO 2006/074830 (20.07.2006 Gazette 2006/29)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

(30) Priority: 29.11.2004 US 522969 P
29.11.2004 SE 0402913

(71) Applicant: AB K A Ekström&Son
291 25 Kristianstad (SE)

(72) Inventors:
  • ERIKSSON, Ulf
    S-413 04 Göteborg (SE)
  • DAHLSTEDT, Fredrik
    S-433 51 Öjersjö (SE)

(74) Representative: Stein, Jan Anders Lennart 
Groth & Co. KB P.O. Box 6107
102 32 Stockholm
102 32 Stockholm (SE)

   


(54) A PRE-HEATER FOR AN APPARATUS FOR THE PRODUCTION OF CARBON BLACK