(19)

(11)

EP 0 998 611 A1

(12)

(43) Date of publication: 10.05.2000 Bulletin 2000/19 (21) Application number: 98936640.6 (22) Date of filing: 21.07.1998

(51) International Patent Classification (IPC)7: E02B 3/06 (86) International application number: PCT/IE9800/062 (87) International publication number: WO 9905/365 (04.02.1999 Gazette 1999/05)

(84) Designated Contracting States: BE CY DE DK ES FR GB GR IE IT NL PT (30) Priority: 21.07.1997 IE 970530 21.07.1997 IE 970531 (71) Applicant: Banagher Concrete Limited Banagher,County Offaly (IE)	(72) Inventor: LIM, Chong Jin Nile Lodge,County Galway (IE) (74) Representative: Gorman, Francis Fergus  F. F. Gorman & Co.54, Merrion Square Dublin 2 Dublin 2 (IE)