(19)

(11)

EP 1 392 941 A1

(12)

(43) Date of publication: 03.03.2004 Bulletin 2004/10 (21) Application number: 02724341.9 (22) Date of filing: 14.05.2002

(51) International Patent Classification (IPC)7: E04H 3/16 (86) International application number: PCT/FI2002/000408 (87) International publication number: WO 2002/092942 (21.11.2002 Gazette 2002/47)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 17.05.2001 FI 20011048 (71) Applicant: LAIJOKI-PUSKA, Ritva SF-02130 Espoo (FI)	(72) Inventor: LAIJOKI-PUSKA, Ritva SF-02130 Espoo (FI) (74) Representative: Hjelt, Dag Silvio Hjalmar Andrea et al Borenius & Co Oy AbTallberginkatu 2 A 00180 Helsinki 00180 Helsinki (FI)