(19)

(11)

EP 2 681 450 A1

(12)

(43) Date of publication: 08.01.2014 Bulletin 2014/02 (21) Application number: 12754819.6 (22) Date of filing: 05.03.2012

(51) International Patent Classification (IPC):  F04B 23/06(2006.01) F04B 53/16(2006.01) F04B 15/02(2006.01) (86) International application number: PCT/CA2012/050132 (87) International publication number: WO 2012/119251 (13.09.2012 Gazette 2012/37)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR (30) Priority: 04.03.2011 US 201161449398 P (71) Applicant: Gea Farm Technologies Canada Inc. Division Gea Houle Drummondville, Québec J2A 0C6 (CA)	(72) Inventor: COURTEMANCHE, Alain Lefebvre, Québec J0H 2C0 (CA) (74) Representative: Ottazzo, Marco Francesco Agostino et al Barzanò & Zanardo Milano S.p.A. Via Borgonuovo, 10 20121 Milano 20121 Milano (IT)