(19)

(11)

EP 2 115 352 A1

(12)

(43) Date of publication: 11.11.2009 Bulletin 2009/46 (21) Application number: 08714493.7 (22) Date of filing: 25.02.2008

(51) International Patent Classification (IPC):  F22G 5/12(2006.01) G05D 23/13(2006.01) (86) International application number: PCT/BE2008/000013 (87) International publication number: WO 2008/104038 (04.09.2008 Gazette 2008/36)

(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 MT NL NO PL PT RO SE SI SK TR (30) Priority: 27.02.2007 EP 07003979 (71) Applicant: Cockerill Maintenance & Ingéniérie 4100 Seraing (BE)	(72) Inventors: FRAIKIN, Christian B-4053 Embourg (BE) GALOPIN, Jean-François B-4250 Hollogne-Sur-Geer (BE) (74) Representative: pronovem  Office Van Malderen Boulevard de la Sauvenière 85/043 4000 Liège 4000 Liège (BE)