(19)

(11)

EP 1 372 923 A2

(12)

(88) Date of publication A3: 23.10.2003 (43) Date of publication: 02.01.2004 Bulletin 2004/01 (21) Application number: 01987492.4 (22) Date of filing: 19.10.2001

(51) International Patent Classification (IPC)7: B28D 1/22, B28D 1/30, B28B 17/00, B28B 7/00 (86) International application number: PCT/US2001/050186 (87) International publication number: WO 2002/040235 (23.05.2002 Gazette 2002/21)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 19.10.2000 US 691864 19.10.2000 US 691898 19.06.2001 US 884795 (71) Applicant: ANCHOR WALL SYSTEMS, INC. Minnetonka, MN 55345-5996 (US)

(72) Inventors: SCHERER, Ronald, J. Oak Park Heights, MN 55082 (US) LACROIX, David, Matthew Circle Pines, MN 55014 (US) HOGAN, Michael, J. Minnetonka, MN 55305 (US) BOLLES, Glenn, Clarke Edina, MN 55435 (US) JOHNSON, Jay, Jeffrey Star Prairie, WI 54026 (US) (74) Representative: Pawlyn, Anthony Neil  Urquhart-Dykes & Lord,Tower House,Merrion Way Leeds,West Yorkshire LS2 8PA Leeds,West Yorkshire LS2 8PA (GB)