(19)

(11)

EP 1 248 908 A1

(12)

(43) Date of publication: 16.10.2002 Bulletin 2002/42 (21) Application number: 01942700.4 (22) Date of filing: 12.01.2001

(51) International Patent Classification (IPC)7: F15B 15/10 (86) International application number: PCT/FI0100/029 (87) International publication number: WO 0105/3704 (26.07.2001 Gazette 2001/30)

(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: 17.01.2000 FI 20000080 15.09.2000 FI 20002040 (71) Applicant: Korhonen, Jaakko Juhani 88900 Kuhmo (FI)	(72) Inventor: Korhonen, Jaakko Juhani 88900 Kuhmo (FI) (74) Representative: Laitinen, Pauli Sakari  Patentti-Laitinen Oy,P.O. Box 29 02771 Espoo 02771 Espoo (FI)