(19)

(11)

EP 1 390 700 A1

(12)

(43) Date of publication: 25.02.2004 Bulletin 2004/09 (21) Application number: 01929048.5 (22) Date of filing: 09.04.2001

(51) International Patent Classification (IPC)7: G01G 9/00 (86) International application number: PCT/US2001/040474 (87) International publication number: WO 2002/084232 (24.10.2002 Gazette 2002/43)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR (71) Applicant: FORMAX, INC. Mokena,Illinois 60448-0330 (US)	(72) Inventor: RING, Timothy, W. Mokena, IL 60448 (US) (74) Representative: Hitchcock, Esmond Antony  Lloyd WiseCommonwealth House,1-19 New Oxford Street London WC1A 1LW London WC1A 1LW (GB)