(19)

(11)

EP 1 678 424 A1

(12)

(43) Date of publication: 12.07.2006 Bulletin 2006/28 (21) Application number: 04770725.2 (22) Date of filing: 29.07.2004

(51) International Patent Classification (IPC):  F04B 49/02(1968.09) F04B 49/03(1995.01) (86) International application number: PCT/IT2004/000415 (87) International publication number: WO 2005/035985 (21.04.2005 Gazette 2005/16)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 17.10.2003 IT FI20030264 (71) Applicant: Mac 3 S.p.A. 59100 Prato (IT)	(72) Inventor: RONCHI, Mirian I-50133 Firenze (IT) (74) Representative: Bardini, Marco Luigi et al c/o Società Italiana Brevetti S.p.A. Corso dei Tintori, 25 50122 Firenze 50122 Firenze (IT)