(19)

(11)

EP 1 844 199 A1

(12)

(43) Date of publication: 17.10.2007 Bulletin 2007/42 (21) Application number: 06701671.7 (22) Date of filing: 30.01.2006

(51) International Patent Classification (IPC):  E02F 3/96(2006.01) E02F 3/36(2006.01) (86) International application number: PCT/NO2006/000042 (87) International publication number: WO 2006/083172 (10.08.2006 Gazette 2006/32)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 04.02.2005 NO 20050638 (71) Applicant: Gjerstad Mek. Industri As N-4993 Sundebru (NO)	(72) Inventor: SKARVANG, Olaf N-3766 Sannidal (NO) (74) Representative: Sundien, Thomas et al Zacco Denmark A/S Hans Bekkevolds Allé 7 2900 Hellerup 2900 Hellerup (DK)