(19)
(11) EP 1 635 968 A2

(12)

(88) Date of publication A3:
19.05.2005

(43) Date of publication:
22.03.2006 Bulletin 2006/12

(21) Application number: 04737808.8

(22) Date of filing: 11.06.2004
(51) International Patent Classification (IPC): 
B21D 31/04(1968.09)
F28F 3/02(1968.09)
(86) International application number:
PCT/CA2004/000867
(87) International publication number:
WO 2004/108320 (16.12.2004 Gazette 2004/51)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

(30) Priority: 11.06.2003 CA 2431732

(71) Applicant: Dana Canada Corporation
Oakville, Ontario L6K 3E4 (CA)

(72) Inventors:
  • ZURAWEL, Peter
    Mississauga, Ontario L5A 2M4 (CA)
  • STEFANOIU, Dan, Constantin
    Mississauga, Ontario L5N 7J1 (CA)
  • CHEONG, Alex, S.
    Mississauga, Ontario L5L 1C3 (CA)
  • IZARD, John, W.
    Brampton, Ontario L6Z 1T9 (CA)

(74) Representative: Franzolin, Luigi et al
STUDIO TORTA S.r.l., Via Viotti, 9
10121 Torino
10121 Torino (IT)

   


(54) METHOD AND APPARATUS FOR FORMING A TURBULIZER