(19)
(11) EP 1 383 618 A1

(12)

(43) Date of publication:
28.01.2004 Bulletin 2004/05

(21) Application number: 02727081.8

(22) Date of filing: 01.05.2002
(51) International Patent Classification (IPC)7B21D 26/02, B21D 51/26
(86) International application number:
PCT/CA2002/000644
(87) International publication number:
WO 2002/087802 (07.11.2002 Gazette 2002/45)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 01.05.2001 US 846546
08.11.2001 US 7263

(71) Applicant: ALCAN INTERNATIONAL LIMITED
MontrealQuebec H3A 3G2 (CA)

(72) Inventors:
  • HAMSTRA, Peter
    Kingston, Ontario K7M 5V3 (CA)
  • MACEWEN, Stuart
    Inverary, Ontario K0H 1X0 (CA)
  • GONG, Kevin
    Kingston, Ontario K7K 6G4 (CA)
  • MOULTON, James, D.
    Kingston, Ontario K7P 2J9 (CA)
  • MALLORY, Robert, W.
    Gananoque, Ontario K7G 1L7 (CA)

(74) Representative: Boydell, John Christopher 
Stevens, Hewlett & PerkinsHalton House20/23 Holborn
London EC1N 2JD
London EC1N 2JD (GB)

   


(54) METHOD OF PRESSURE-RAM-FORMING METAL CONTAINERS AND THE LIKE