(19)

(11)

EP 1 497 499 A1

(12)

(43) Date of publication: 19.01.2005 Bulletin 2005/03 (21) Application number: 03713780.9 (22) Date of filing: 12.03.2003

(51) International Patent Classification (IPC)7: E01F 13/02 (86) International application number: PCT/US2003/006158 (87) International publication number: WO 2003/089719 (30.10.2003 Gazette 2003/44)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 19.04.2002 US 373657 P 18.07.2002 US 396568 P 03.12.2002 US 308039 (71) Applicant: Rubbermaid Commercial Products LLC Winchester, Virginia 22601 (US)	(72) Inventor: PERELLI, Thomas Winchester, VA 22602 (US) (74) Representative: Lawrence, John  Barker Brettell,138 Hagley Road,Edgbaston Birmingham B16 9PW Birmingham B16 9PW (GB)