(19)
(11) EP 2 054 535 A2

(12)

(43) Date of publication:
06.05.2009 Bulletin 2009/19

(21) Application number: 07866603.9

(22) Date of filing: 03.08.2007
(51) International Patent Classification (IPC): 
C22C 21/04(2006.01)
(86) International application number:
PCT/IB2007/004235
(87) International publication number:
WO 2008/053363 (08.05.2008 Gazette 2008/19)
(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

(30) Priority: 04.08.2006 US 499165

(71) Applicant: Tenedora Nemak, S.A. de C.V.
Nuevo Leon 66000 (MX)

(72) Inventors:
  • VALTIERRA-GALLARDO, Salvador
    Coahuila, 25198 (MX)
  • TALAMANTES-SILVA, José
    Nuevo Leon 66367 (MX)
  • RODRIGUEZ-JASSO, Andrés Fernando
    Nuevo Leon 66367 (MX)
  • GONZALEZ-VILLARREAL, José Alejandro
    Nuevo Leon 64367 (MX)

(74) Representative: HOFFMANN EITLE 
Patent- und Rechtsanwälte Arabellastrasse 4
81925 München
81925 München (DE)

   


(54) WEAR-RESISTANT ALUMINUM ALLOY FOR CASTING ENGINE BLOCKS WITH LINERLESS CYLINDERS