(19)

(11)

EP 2 318 610 A1

(12)

(43) Date of publication: 11.05.2011 Bulletin 2011/19 (21) Application number: 09808477.5 (22) Date of filing: 17.07.2009

(51) International Patent Classification (IPC):  E04F 11/16(2006.01) (86) International application number: PCT/US2009/004162 (87) International publication number: WO 2010/021650 (25.02.2010 Gazette 2010/08)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR Designated Extension States: AL BA RS (30) Priority: 22.07.2008 US 220102 (71) Applicant: Kay, Ronald J. Barrington, IL 60010 (US)	(72) Inventor: Kay, Ronald J. Barrington, IL 60010 (US) (74) Representative: O'Connor, Michael Donal  O'Connor Intellectual Property Suite 8 Anglesea House Carysfort Avenue Blackrock Dublin Blackrock Dublin (IE)