(19)

(11)

EP 1 179 106 A1

(12)

(43) Date of publication: 13.02.2002 Bulletin 2002/07 (21) Application number: 00901826.8 (22) Date of filing: 26.01.2000

(51) International Patent Classification (IPC)7: E04C 5/06, E04C 5/16, B21F 27/12 (86) International application number: PCT/IB0000/072 (87) International publication number: WO 0045/008 (03.08.2000 Gazette 2000/31)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 27.01.1999 GB 9901746 (71) Applicant: Rom Limited Lichfield WS13 6RN (GB)	(72) Inventor: RENDER, Stephen HiltonDerbyshire DE65 5HE (GB) (74) Representative: Gee, Steven William  D.W. & S.W. GEE, 1 South Lynn Gardens, London Road Shipston on Stour, Warwickshire CV36 4ER Shipston on Stour, Warwickshire CV36 4ER (GB)