(19)

(11)

EP 0 847 502 A1

(12)

(43) Date of publication: 17.06.1998 Bulletin 1998/25 (21) Application number: 96930280.0 (22) Date of filing: 13.09.1996

(51) International Patent Classification (IPC):  F16B 47/ 00( . ) G09F 7/ 18( . ) (86) International application number: PCT/GB1996/002273 (87) International publication number: WO 1997/011282 (27.03.1997 Gazette 1997/14)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 21.09.1995 GB 19950019310 (71) Applicant: Clamp-Its Limited Hadleigh, Benfleet, Essex SS7 2AB (GB)	(72) Inventor: RUFFELL, David Ian Benfleet, Essex SS7 2AB (GB) (74) Representative: Vaufrouard, John Charles  Elkington and Fife Prospect House 8 Pembroke Road Sevenoaks, Kent TN13 1XR Sevenoaks, Kent TN13 1XR (GB)