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(11)

EP 1 620 612 A1

(12)

(43) Date of publication: 01.02.2006 Bulletin 2006/05 (21) Application number: 04731662.5 (22) Date of filing: 07.05.2004

(51) International Patent Classification (IPC):  E04D 3/36(1968.09) E04D 5/14(1968.09) (86) International application number: PCT/GB2004/001979 (87) International publication number: WO 2004/099527 (18.11.2004 Gazette 2004/47)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 08.05.2003 GB 0310608 04.05.2004 GB 0409936 (71) Applicant: GRP Refurbishment Systems Limited Bristol BS99 1ZT (GB)	(72) Inventor: LAMBORN, John, Garfield P.O.Box 761 Bristol BS99 1ZT (GB) (74) Representative: Wardle, Callum Tarn et al Withers & Rogers LLP Goldings House, 2 Hays Lane London SE1 2HW London SE1 2HW (GB)