(19)

(11)

EP 2 948 272 A1

(12)

(43) Date of publication: 02.12.2015 Bulletin 2015/49 (21) Application number: 14719198.5 (22) Date of filing: 27.01.2014

(51) International Patent Classification (IPC):  B24D 3/32(2006.01) B24B 19/00(2006.01) B24B 1/00(2006.01) B24B 5/00(2006.01) (86) International application number: PCT/CZ2014/000011 (87) International publication number: WO 2014/114276 (31.07.2014 Gazette 2014/31)

(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: 28.01.2013 CZ 20130051 (71) Applicant: Univerzita J. E. Purkyne V Usti Nad Labem 40096 Usti nad Labem (CZ)	(72) Inventor: NOVAK, Martin 40002 Usti nad Labem (CZ) (74) Representative: Kratochvil, Vaclav  Patent and Trademark Office P.O. Box 26 295 01 Mnichovo Hradiste 295 01 Mnichovo Hradiste (CZ)