(19)

(11)

EP 1 045 944 A1

(12)

(43) Date of publication: 25.10.2000 Bulletin 2000/43 (21) Application number: 99900535.8 (22) Date of filing: 07.01.1999

(51) International Patent Classification (IPC)7: E03D 9/052 (86) International application number: PCT/GB9900/007 (87) International publication number: WO 9935/349 (15.07.1999 Gazette 1999/28)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 09.01.1998 GB 9800358 (71) Applicant: Aitchison, Donald, Alexander Inveraray,Argyll-Shire PA32 8UR (GB)	(72) Inventor: Aitchison, Donald, Alexander Inveraray,Argyll-Shire PA32 8UR (GB) (74) Representative: Moreland, David, Dr. et al Cruikshank & Fairweather,19 Royal Exchange Square Glasgow G1 3AE Glasgow G1 3AE (GB)