(19)

(11)

EP 1 131 508 A1

(12)

(43) Date of publication: 12.09.2001 Bulletin 2001/37 (21) Application number: 99954234.3 (22) Date of filing: 12.11.1999

(51) International Patent Classification (IPC)7: E04B 2/92, E04F 13/08 (86) International application number: PCT/GB9903/773 (87) International publication number: WO 0029/688 (25.05.2000 Gazette 2000/21)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 13.11.1998 GB 9824841 (71) Applicants: Coseley Panel Products Limited Chesterfield,Derbyshire S42 5SA (GB) Lovell, Mark Harold Devizes,Wiltshire SN10 1HL (GB)	(72) Inventors: LOVELL, Mark Harold Devizes,Wiltshire SN10 1HL (GB) HEBBLETHWAITHE, David,Coseley Panel Products Ltd. Holmewood,Chesterfield S42 5SA (GB) (74) Representative: Gray, James et al Withers & Rogers,Goldings House,2 Hays Lane London SE1 2HW London SE1 2HW (GB)