(19)

(11)

EP 2 094 891 A2

(12)

(88) Date of publication A3: 28.05.2009 (43) Date of publication: 02.09.2009 Bulletin 2009/36 (21) Application number: 08785501.1 (22) Date of filing: 12.08.2008

(51) International Patent Classification (IPC):  D01F 8/06(2006.01) (86) International application number: PCT/EP2008/006622 (87) International publication number: WO 2009/033540 (19.03.2009 Gazette 2009/12)

(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: 10.09.2007 EP 07017656 (71) Applicant: ALBIS Spa 20123 Milano (IT)	(72) Inventors: BOSCOLO, Galliano I-13856 Vigliano Biellese (IT) MALTESE, Antonino I-Gorle (IT) (74) Representative: Matkowska, Franck  Matkowska & Associés 9 Rue Jacques Prévert 59650 Villeneuve d'Ascq 59650 Villeneuve d'Ascq (FR)