(19)

(11)

EP 1 349 990 A2

(12)

(88) Date of publication A3: 29.08.2002 (43) Date of publication: 08.10.2003 Bulletin 2003/41 (21) Application number: 01270663.6 (22) Date of filing: 14.12.2001

(51) International Patent Classification (IPC)7: E03D 1/14 (86) International application number: PCT/IB0102/475 (87) International publication number: WO 0204/8472 (20.06.2002 Gazette 2002/25)

(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: 15.12.2000 ZA 200007544 (71) Applicant: Dutton Plastics Engineering (PTY) Ltd 1449 Alberton (ZA)	(72) Inventors: SUTHERLAND, John, Nicoll 1609 Edenvale (ZA) BASSIL, John, Clark 1724 Roodepoort (ZA) TICKLE, Karl, Thomas 1448 Alberton (ZA) WELSH, Anthony, Ross 401 Germiston (ZA) VAN ZYL, Christiaan 0048 Pretoria (ZA) (74) Representative: Stevens, Jason Paul  Frank B. Dehn & Co.179 Queen Victoria Street London EC4V 4EL London EC4V 4EL (GB)