(19)

(11)

EP 1 984 526 A1

(12)

(43) Date of publication: 29.10.2008 Bulletin 2008/44 (21) Application number: 06734571.0 (22) Date of filing: 09.02.2006

(51) International Patent Classification (IPC):  C21B 3/02(2006.01) (86) International application number: PCT/US2006/004410 (87) International publication number: WO 2007/092006 (16.08.2007 Gazette 2007/33)

(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: BA HR YU (71) Applicants: Wolfe, Larry D. Harmony, Pennsylvania 16037 (US) Brelowski, Richard J. Toledo, Ohio 43623 (US)	(72) Inventor: BRELOWSKI, Richard J. Ohio 43623 (US) (74) Representative: Vandeberg, Marie-Paule L.G. et al Office Kirkpatrick 32, avenue Wolfers 1310 La Hulpe 1310 La Hulpe (BE)