(19)

(11)

EP 0 715 670 A1

(12)

(43) Date of publication: 12.06.1996 Bulletin 1996/24 (21) Application number: 94924918.0 (22) Date of filing: 23.08.1994

(51) International Patent Classification (IPC):  E04B 9/ 00( . ) E04B 9/ 30( . ) (86) International application number: PCT/GB1994/001842 (87) International publication number: WO 1995/006173 (02.03.1995 Gazette 1995/10)

(84) Designated Contracting States: BE DE DK IE IT NL (30) Priority: 25.08.1993 GB 19930017688 (71) Applicant: TBA Industrial Products Limited Manchester M3 2NL (GB)	(72) Inventor: WILSON, Sean, Alan Lancashire OL10 3EX (GB) (74) Representative: Crux, John Anthony T&N plc, Group Patent Department, et al  Bowdon House Ashburton Road West Trafford Park Manchester M17 1RA Manchester M17 1RA (GB)