(19)

(11)

EP 0 610 269 A1

(12)

(43) Date of publication: 17.08.1994 Bulletin 1994/33 (21) Application number: 92921417.0 (22) Date of filing: 12.10.1992

(51) International Patent Classification (IPC):  B28B 7/ 34( . ) E01C 5/ 06( . ) E01C 9/ 00( . ) B28B 23/ 00( . ) E01C 5/ 08( . ) (86) International application number: PCT/IE1992/000014 (87) International publication number: WO 1993/007339 (15.04.1993 Gazette 1993/10)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL SE (30) Priority: 11.10.1991 IE 19910003535 23.03.1992 IE 19910000692 (71) Applicant: FORFAS Dublin 2 (IE)	(72) Inventor: CLARKE, Cameron, John, Ross The Round House Delganey Wicklow (IE) (74) Representative: O'Brien, John Augustine  Cruickshank & Co. 1 Holles Street Dublin 2 Dublin 2 (IE)