(19)
(11) EP 1 737 590 A1

(12)

(43) Date of publication:
03.01.2007 Bulletin 2007/01

(21) Application number: 05710944.9

(22) Date of filing: 11.02.2005
(51) International Patent Classification (IPC): 
B21D 17/02(2006.01)
B21D 37/16(2006.01)
 B21D 24/16(2006.01)
(86) International application number:
PCT/NO2005/000048
(87) International publication number:
WO 2005/077560 (25.08.2005 Gazette 2005/34)
(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 MC NL PL PT RO SE SI SK TR

(30) Priority: 13.02.2004 NO 20040660

(71) Applicant: NORSK HYDRO ASA
0240 Oslo (NO)

(72) Inventors:
  • BJØRNEKLETT, Børge
    N-2819 Gjøvik (NO)
  • MYHR, Ole Runar
    N-2830 Raufoss (NO)
  • VIST, Pål
    N-2815 Gjøvik (NO)

(74) Representative: Bleukx, Lucas Lodewijk M. 
Bleukx Consultancy BVBA Rijksweg 237
3650 Dilsen-Stokkem
3650 Dilsen-Stokkem (BE)

   


(54) LOCAL FORMING, LOCALLY FORMED WORK PIECE AND TOOL FOR SUCH FORMING