(19)

(11)

EP 0 725 876 A1

(12)

(43) Date of publication: 14.08.1996 Bulletin 1996/33 (21) Application number: 94931110.0 (22) Date of filing: 27.10.1994

(51) International Patent Classification (IPC):  E04H 15/ 48( . ) (86) International application number: PCT/GB1994/002366 (87) International publication number: WO 1995/012045 (04.05.1995 Gazette 1995/19)

(84) Designated Contracting States: DE FR GB (30) Priority: 28.10.1993 GB 19930022182 (71) Applicant: GLASDON GROUP LIMITED Blackpool Lancashire FY4 4UR (GB)	(72) Inventor: NEWTON, Paul Richard Peter Culter, Aberdeen AB1 0US (GB) (74) Representative: Every, David Aidan  MARKS & CLERK, Sussex House, 83-85 Mosley Street Manchester M2 3LG Manchester M2 3LG (GB)