(19)

(11)

EP 1 721 050 A1

(12)

(43) Date of publication: 15.11.2006 Bulletin 2006/46 (21) Application number: 05701911.9 (22) Date of filing: 17.01.2005

(51) International Patent Classification (IPC):  E04B 1/94(2006.01) (86) International application number: PCT/GB2005/000144 (87) International publication number: WO 2005/080702 (01.09.2005 Gazette 2005/35)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 17.02.2004 GB 0403446 (71) Applicant: Environmental Seals Ltd. Nr. Dover Kent CT15 7JG (GB)	(72) Inventor: WARD,Derek Alfred Dove, Kent CT15 5HR (GB) (74) Representative: Townsend, Victoria Jayne et al Fry Heath & Spence LLP, The Gables, Massetts Road Horley, Surrey RH6 7DQ Horley, Surrey RH6 7DQ (GB)