(19)

(11)

EP 2 099 331 A2

(12)

(88) Date of publication A3: 13.11.2008 (43) Date of publication: 16.09.2009 Bulletin 2009/38 (21) Application number: 07864499.4 (22) Date of filing: 16.11.2007

(51) International Patent Classification (IPC):  A47B 3/14(2006.01) (86) International application number: PCT/US2007/084903 (87) International publication number: WO 2008/064097 (29.05.2008 Gazette 2008/22)

(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 (30) Priority: 17.11.2006 US 601439 (71) Applicant: Sico Incorporated Edina, MN 55439-2745 (US)	(72) Inventor: DICKEY, Christopher C. West St. Paul, MN 55118 (US) (74) Representative: Rondano, Davide et al Jacobacci & Partners S.p.A. Corso Emilia 8 10152 Torino 10152 Torino (IT)