(19)

(11)

EP 1 157 177 A1

(12)

(43) Date of publication: 28.11.2001 Bulletin 2001/48 (21) Application number: 99905759.9 (22) Date of filing: 05.02.1999

(51) International Patent Classification (IPC)7: E04F 19/04, E04F 13/06 (86) International application number: PCT/US9902/467 (87) International publication number: WO 0046/467 (10.08.2000 Gazette 2000/32)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (71) Applicant: Stibolt, Paul E. Matteson, IL 60443 (US)	(72) Inventor: Stibolt, Paul E. Matteson, IL 60443 (US) (74) Representative: Ebner von Eschenbach, Jennifer et al Ladas & Parry,Dachauerstrasse 37 80335 München 80335 München (DE)