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(11)

EP 2 633 263 A2

(12)

(88) Date of publication A3: 21.06.2012 (43) Date of publication: 04.09.2013 Bulletin 2013/36 (21) Application number: 11813862.7 (22) Date of filing: 26.10.2011

(51) International Patent Classification (IPC):  F42B 12/74(2006.01) F42B 12/78(2006.01) (86) International application number: PCT/CZ2011/000105 (87) International publication number: WO 2012/055381 (03.05.2012 Gazette 2012/18)

(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: 27.10.2010 CZ 20100783 (71) Applicant: Sellier & Bellot A.S. 258 13 Vlasim (CZ)	(72) Inventors: NESVEDA, Jirí 258 01 Vlasim (CZ) BENÁCAN, Ladislav 258 01 Vlasim (CZ) VADKERTI, Jaroslav 257 68 Dolní Kralovice (CZ) SYSEL, Stanislav 258 01 Vlasim (CZ) JANOUS, Jirí 258 01 Vlasim (CZ) (74) Representative: Krmencik, Vaclav et al Rott, Ruzicka, Guttmann Patent Trademark and Law Office Vinohradska 37 120 00 Praha 2 120 00 Praha 2 (CZ)