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(11)

EP 2 409 042 A1

(12)

(43) Date of publication: 25.01.2012 Bulletin 2012/04 (21) Application number: 09787666.8 (22) Date of filing: 18.03.2009

(51) International Patent Classification (IPC):  F15B 21/04(2006.01) F15B 13/08(2006.01) (86) International application number: PCT/IT2009/000103 (87) International publication number: WO 2010/106559 (23.09.2010 Gazette 2010/38)

(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 (71) Applicant: Camozzi S.p.A. Societa' Unipersonale 25126 Brescia (IT)	(72) Inventors: CAMOZZI, Geromino 25065 Lumezzane S.S. Brescia (IT) GNUTTI, Gianluca I-25065 Lumezzane S.S.Brescia (IT) (74) Representative: Mitola, Marco  Jacobacci & Partners S.p.A. Piazza della Vittoria, 11 25122 Brescia 25122 Brescia (IT)