(19)

(11)

EP 1 871 545 A2

(12)

(88) Date of publication A3: 15.03.2007 (43) Date of publication: 02.01.2008 Bulletin 2008/01 (21) Application number: 06750685.7 (22) Date of filing: 18.04.2006

(51) International Patent Classification (IPC):  B08B 3/00(2006.01) B08B 3/12(2006.01) (86) International application number: PCT/US2006/014707 (87) International publication number: WO 2006/115929 (02.11.2006 Gazette 2006/44)

(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 Designated Extension States: AL BA HR MK YU (30) Priority: 22.04.2005 US 113403 22.04.2005 US 113405 22.04.2005 US 113406 28.07.2005 US 191646 25.07.2005 US 702154 P 20.09.2005 US 718910 P (71) Applicant: Steelkor, L.L.C. Fenton MO 63026 (US)	(72) Inventor: BIGOTT, James, W. Fenton, Missouri 63026 (US) (74) Representative: Smaggasgale, Gillian Helen  W.P. Thompson & Co, 55 Drury Lane London WC2B 5SQ London WC2B 5SQ (GB)