(19)

(11)

EP 0 868 580 A1

(12)

(43) Date of publication: 07.10.1998 Bulletin 1998/41 (21) Application number: 96943219.0 (22) Date of filing: 20.12.1996

(51) International Patent Classification (IPC):  B21D 13/ 04( . ) E04C 3/ 32( . ) E04C 3/ 07( . ) E04C 3/ 04( . ) (86) International application number: PCT/GB1996/003198 (87) International publication number: WO 1997/023694 (03.07.1997 Gazette 1997/29)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 22.12.1995 GB 19950026416 (71) Applicant: Banro Holdings Public Limited Company Walsall, West Midlands WS3 9ES (GB)	(72) Inventor: HAYWARD, John Walsall, West Midlands WS3 9ES (GB) (74) Representative: Waite, Anthony William  MARKS & CLERK, Alpha Tower, Suffolk Street Queensway Birmingham B1 1TT Birmingham B1 1TT (GB)