(19)
(11) EP 2 049 277 A1

(12)

(43) Date of publication:
22.04.2009 Bulletin 2009/17

(21) Application number: 07829274.5

(22) Date of filing: 01.10.2007
(51) International Patent Classification (IPC): 
B21C 25/02(2006.01)
(86) International application number:
PCT/JP2007/069536
(87) International publication number:
WO 2008/044620 (17.04.2008 Gazette 2008/16)
(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 MT NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK RS

(30) Priority: 03.10.2006 JP 2006271726
06.10.2006 JP 2006275031
29.01.2007 US 887044 P
07.03.2007 JP 2007056953
07.03.2007 JP 2007057124

(71) Applicant: Showa Denko K.K.
Tokyo 105-8518 (JP)

(72) Inventors:
  • HIRAMOTO, Kimihisa
    Oyama-shi Tochigi 323-8678 (JP)
  • SAKIHAMA, Hidekazu
    Oyama-shi Tochigi 323-8678 (JP)

(74) Representative: Viering, Jentschura & Partner 
Grillparzerstrasse 14
81675 München
81675 München (DE)

   


(54) EXTRUSION DIE FOR METALLIC MATERIAL