(19)

(11)

EP 2 019 884 A2

(12)

(88) Date of publication A3: 23.10.2008 (43) Date of publication: 04.02.2009 Bulletin 2009/06 (21) Application number: 07794797.6 (22) Date of filing: 11.05.2007

(51) International Patent Classification (IPC):  E04B 1/18(2006.01) E04B 5/10(2006.01) E04B 5/18(2006.01) E04C 3/02(2006.01) E04H 12/18(2006.01) E04H 12/00(2006.01) A47F 5/00(2006.01) E04G 25/00(2006.01) F16M 13/00(2006.01) A47G 29/00(2006.01) F16M 11/00(2006.01) (86) International application number: PCT/US2007/011425 (87) International publication number: WO 2007/133692 (22.11.2007 Gazette 2007/47)

(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: 12.05.2006 US 433658 (71) Applicant: Wilian Holding Company Des Moines, IA 50313 (US)	(72) Inventor: MCCRACKEN, Robert Urbandale, IA 50323 (US) (74) Representative: Evans, Jacqueline Gail Victoria et al Greaves Brewster LLP Indigo House Cheddar Business Park Wedmore Road Cheddar BS27 3EB Cheddar BS27 3EB (GB)