(19)

(11)

EP 1 875 014 A1

(12)

(43) Date of publication: 09.01.2008 Bulletin 2008/02 (21) Application number: 05813166.5 (22) Date of filing: 23.11.2005

(51) International Patent Classification (IPC):  E04G 1/24(2006.01) (86) International application number: PCT/FI2005/050433 (87) International publication number: WO 2006/111603 (26.10.2006 Gazette 2006/43)

(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: 18.04.2005 FI 20050397 (71) Applicant: Kettunen, Usko 04400 Järvenpää (FI)	(72) Inventor: Kettunen, Usko 04400 Järvenpää (FI) (74) Representative: Sole, Timo  Leitzinger Oy, Tammasaarenkatu 1 00180 Helsinki 00180 Helsinki (FI)