(19)

(11)

EP 2 490 544 A1

(12)

(43) Date of publication: 29.08.2012 Bulletin 2012/35 (21) Application number: 10781738.9 (22) Date of filing: 20.10.2010

(51) International Patent Classification (IPC):  A21B 1/46(2006.01) A21B 3/07(2006.01) (86) International application number: PCT/GR2010/000046 (87) International publication number: WO 2011/048435 (28.04.2011 Gazette 2011/17)

(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 RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 22.10.2009 GR 20090100582 (71) Applicants: Kalliardos, Stergios 50100 Kozani (GR) Tsikopoulos, Ioannis 50100 Kozani (GR)	(72) Inventor: KALLIARDOS, Stergios 50100 Kozani (GR) (74) Representative: Lefakis, Leandros  3, Dimokritou Str. 106 71 Athens 106 71 Athens (GR)