(19)

(11)

EP 1 815 082 A1

(12)

(43) Date of publication: 08.08.2007 Bulletin 2007/32 (21) Application number: 05770971.9 (22) Date of filing: 28.07.2005

(51) International Patent Classification (IPC):  E04D 1/06(2006.01) E04D 3/16(2006.01) E04D 1/18(2006.01) E04D 3/30(2006.01) (86) International application number: PCT/FI2005/000343 (87) International publication number: WO 2006/018472 (23.02.2006 Gazette 2006/08)

(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: 16.08.2004 FI 20041080 (71) Applicant: Samesor Oy 70461 Kuopio (FI)	(72) Inventors: SAARENKO, Pekka FI-70780 Kuopio (FI) KEINÄNEN, Rauno FI-73300 Nilsiä (FI) (74) Representative: Pitkänen, Hannu Alpo Antero  Patent Agency Pitkänen Oy, P.O. Box 1188 70211 Kuopio 70211 Kuopio (FI)