(19)

(11)

EP 1 993 407 A2

(12)

(88) Date of publication A3: 10.04.2008 (43) Date of publication: 26.11.2008 Bulletin 2008/48 (21) Application number: 07758290.6 (22) Date of filing: 09.03.2007

(51) International Patent Classification (IPC):  A47F 1/04(2006.01) (86) International application number: PCT/US2007/063730 (87) International publication number: WO 2007/106751 (20.09.2007 Gazette 2007/38)

(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 MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 10.03.2006 US 780971 P (71) Applicant: RTC INDUSTRIES, INC. Rolling Meadows, IL 60008 (US)	(72) Inventor: HARDY, Stephen, N. Wadsworth, OH 44281 (US) (74) Representative: Lucas, Phillip Brian  Lucas & Co. 135 Westhall Road Warlingham, Surrey CR6 9HJ Warlingham, Surrey CR6 9HJ (GB)