(19)

(11)

EP 2 536 889 A1

(12)

(43) Date of publication: 26.12.2012 Bulletin 2012/52 (21) Application number: 11718240.2 (22) Date of filing: 14.02.2011

(51) International Patent Classification (IPC):  E03F 5/04(2006.01) (86) International application number: PCT/CZ2011/000016 (87) International publication number: WO 2011/098055 (18.08.2011 Gazette 2011/33)

(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 (30) Priority: 15.02.2010 CZ 20100112 (71) Applicant: ACO Severin Ahlmann GmbH & Co. KG 24782 Büdelsdorf (DE)	(72) Inventors: KRÁLÍCEK, Václav 592 13 Bohdalov (CZ) MACOUN, Petr 582 23 Havlickova Borova (CZ) (74) Representative: Bohnenberger, Johannes  Meissner, Bolte & Partner GbR Postfach 86 06 24 81633 München 81633 München (DE)