(19)

(11)

EP 2 483 020 A1

(12)

(43) Date of publication: 08.08.2012 Bulletin 2012/32 (21) Application number: 10755078.2 (22) Date of filing: 15.06.2010

(51) International Patent Classification (IPC):  B22F 3/20(2006.01) A61C 8/00(2006.01) (86) International application number: PCT/CZ2010/000071 (87) International publication number: WO 2011/038702 (07.04.2011 Gazette 2011/14)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 01.10.2009 CZ 200900640 U (71) Applicant: Vysoká Skola Bánská-Technická Univerzita Ostrava 70833 Ostrava-Poruba (CZ)	(72) Inventors: GREGER, Miroslav 70800 Ostrava-Poruba (CZ) KANDER, Ladislav 70800 Ostrava-Poruba (CZ) KURSA, Miroslav 73802 Frýdek-Místek (CZ) (74) Representative: Rylkova, Iva  Polska 1525 CZ-708 00 Ostrava-Poruba CZ-708 00 Ostrava-Poruba (CZ)