(19)

(11)

EP 2 382 353 A2

(12)

(88) Date of publication A3: 14.01.2010 (43) Date of publication: 02.11.2011 Bulletin 2011/44 (21) Application number: 09750912.9 (22) Date of filing: 02.04.2009

(51) International Patent Classification (IPC):  D21C 11/00(2006.01) (86) International application number: PCT/US2009/002073 (87) International publication number: WO 2009/142681 (26.11.2009 Gazette 2009/48)

(84) Designated Contracting States: 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 SE SI SK TR (30) Priority: 22.05.2008 US 154356 (71) Applicant: FLSmidth A/S 2500 Valby (DK)	(72) Inventor: FLANAGAN, Peter Bethlehem, PA 18017 (US) (74) Representative: Johansson, Lars E.  Hynell Patenttjänst AB P.O. Box 138 683 23 Hagfors 683 23 Hagfors (SE)