(19)

(11)

EP 1 034 339 A1

(12)

(43) Date of publication: 13.09.2000 Bulletin 2000/37 (21) Application number: 98958431.3 (22) Date of filing: 26.11.1998

(51) International Patent Classification (IPC)7: E03F 5/16 (86) International application number: PCT/SE9802/141 (87) International publication number: WO 9929/973 (17.06.1999 Gazette 1999/24)

(84) Designated Contracting States: BE CH DE DK ES FI FR GB GR IT LI NL PT (30) Priority: 26.11.1997 SE 9704347 (71) Applicant: Elofsson, Birger 731 42 Köping (SE)	(72) Inventor: Elofsson, Birger 731 42 Köping (SE) (74) Representative: Svanfeldt, Hans-Ake  DR. LUDWIG BRANN PATENTBYRA ABP.O. Box 1344 751 43 Uppsala 751 43 Uppsala (SE)