(19)

(11)

EP 1 996 772 A1

(12)

(43) Date of publication: 03.12.2008 Bulletin 2008/49 (21) Application number: 07711251.4 (22) Date of filing: 28.02.2007

(51) International Patent Classification (IPC):  E03F 7/10(2006.01) (86) International application number: PCT/DK2007/000100 (87) International publication number: WO 2007/101437 (13.09.2007 Gazette 2007/37)

(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: 06.03.2006 DK 200600328 (71) Applicant: J. Hvidtved Larsen A/S 8600 Silkeborg (DK)	(72) Inventor: LARSEN, Hans DK-8600 Silkeborg (DK) (74) Representative: Larsen, Hans Ole et al Larsen & Birkeholm A/S Skandinavisk Patentbureau Banegaardspladsen 1 P.O. Box 362 1570 Copenhagen V 1570 Copenhagen V (DK)