(19)

(11)

EP 1 740 037 A1

(12)

(43) Date of publication: 10.01.2007 Bulletin 2007/02 (21) Application number: 05738362.2 (22) Date of filing: 29.04.2005

(51) International Patent Classification (IPC):  A01G 31/02(2006.01) (86) International application number: PCT/EP2005/004651 (87) International publication number: WO 2005/104821 (10.11.2005 Gazette 2005/45)

(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 MC NL PL PT RO SE SI SK TR Designated Extension States: HR (30) Priority: 30.04.2004 GB 0409787 (71) Applicant: Rockwool International A/S 2540 Hedehusene (DK)	(72) Inventor: BLAAKMEER, Anton 5803LE Venray (NL) (74) Representative: Samuels, Lucy Alice et al Gill Jennings & Every LLP Broadgate House 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)