(19)

(11)

EP 2 854 955 A1

(12)

(43) Date of publication: 08.04.2015 Bulletin 2015/15 (21) Application number: 13798143.7 (22) Date of filing: 23.05.2013

(51) International Patent Classification (IPC):  A62C 5/02(2006.01) B01F 5/04(2006.01) (86) International application number: PCT/SE2013/050590 (87) International publication number: WO 2013/180627 (05.12.2013 Gazette 2013/49)

(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: 28.05.2012 SE 1250543 (71) Applicant: Dafo Fomtec AB 135 26 Tyresö (SE)	(72) Inventors: ANDERSSON, Ulf SE-417 44 Göteborg (SE) ANDERSSON, John SE443 43 Gråbo (SE) (74) Representative: Cederbom, Hans Erik August  Cegumark AB Box 53047 400 14 Göteborg 400 14 Göteborg (SE)