(19)

(11)

EP 1 957 743 A1

(12)

(43) Date of publication: 20.08.2008 Bulletin 2008/34 (21) Application number: 06820116.9 (22) Date of filing: 05.12.2006

(51) International Patent Classification (IPC):  E06B 9/323(2006.01) (86) International application number: PCT/FI2006/050537 (87) International publication number: WO 2007/065972 (14.06.2007 Gazette 2007/24)

(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: 09.12.2005 FI 20050411 U (71) Applicant: Suomen Visor Oy 90440 Kempele (FI)	(72) Inventors: PULKKINEN, Markku FI-91910 Tupos (FI) PULKKINEN, Ahti FI-90440 Kempele (FI) (74) Representative: Vanhala, Jorma Kalevi et al Berggren Oy Ab Lentokatu 2 90460 Oulunsalo 90460 Oulunsalo (FI)