(19)

(11)

EP 0 783 614 A1

(12)

(43) Date of publication: 16.07.1997 Bulletin 1997/29 (21) Application number: 95932834.0 (22) Date of filing: 29.09.1995

(51) International Patent Classification (IPC):  B01D 21/ 26( . ) B01D 29/ 64( . ) B04C 5/ 12( . ) B04C 5/ 22( . ) B04C 11/ 00( . ) B01D 29/ 62( . ) B04C 5/ 103( . ) B04C 5/ 14( . ) B04C 7/ 00( . ) E03F 5/ 14( . ) (86) International application number: PCT/GB1995/002314 (87) International publication number: WO 1996/010676 (11.04.1996 Gazette 1996/16)

(84) Designated Contracting States: AT DE DK ES FR IE IT NL PT SE (30) Priority: 30.09.1994 GB 19940019805 21.07.1995 GB 19950015013 (71) Applicants: Motherwell Bridge Fabricators Limited Motherwell ML1 3NP (GB) McKeown, John Bell Wester Ross 1V54 8XX (GB)	(72) Inventor: MCKEOWN, John, Bell Wester Ross IV54 8XX (GB) (74) Representative: Ede, Eric, et al  Fitzpatricks, 4 West Regent Street Glasgow G2 1RS, Scotland Glasgow G2 1RS, Scotland (GB)