(19)

(11)

EP 1 979 570 A1

(12)

(43) Date of publication: 15.10.2008 Bulletin 2008/42 (21) Application number: 07704974.0 (22) Date of filing: 22.01.2007

(51) International Patent Classification (IPC):  E06C 9/14(2006.01) (86) International application number: PCT/GB2007/000196 (87) International publication number: WO 2007/083148 (26.07.2007 Gazette 2007/30)

(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 LV MC NL PL PT RO SE SI SK TR (30) Priority: 20.01.2006 GB 0601130 (71) Applicant: Melville, Margaret-Anne Greenock Inverclyde PA1 8QY (GB)	(72) Inventors: MELVILLE, Robert Greenock Inverclyde PA1 8QY (GB) MELVILLE, William Greenock Inverclyde PA1 8QY (GB) (74) Representative: Williams, Bryn David et al Marks & Clerk 19 Royal Exchange Square Glasgow G1 3AE Glasgow G1 3AE (GB)