(19)

(11)

EP 1 366 257 A1

(12)

(43) Date of publication: 03.12.2003 Bulletin 2003/49 (21) Application number: 02702522.0 (22) Date of filing: 05.03.2002

(51) International Patent Classification (IPC)7: E05B 63/04 (86) International application number: PCT/GB0200/917 (87) International publication number: WO 0207/0845 (12.09.2002 Gazette 2002/37)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 06.03.2001 GB 0105521 (71) Applicant: Carlisle Brass Limited Carlisle CA3 OHA (GB)	(72) Inventor: MIDDLETON, Colin, Sidney Devon EX9 6AH (GB) (74) Representative: Ajello, Michael John  Harrison, Goddard, Foote,11c Compstall Road,Marple Bridge, Stockport SK6 5HH Stockport SK6 5HH (GB)