(19)

(11)

EP 0 959 655 A1

(12)

(43) Date of publication: 01.12.1999 Bulletin 1999/48 (21) Application number: 97922266.0 (22) Date of filing: 02.05.1997

(51) International Patent Classification (IPC):  A01B 21/ 08( . ) A01B 79/ 00( . ) A01B 49/ 02( . ) (86) International application number: PCT/SE1997/000743 (87) International publication number: WO 1997/040660 (06.11.1997 Gazette 1997/47)

(84) Designated Contracting States: DE FR GB (30) Priority: 02.05.1996 SE 19960001678 (71) Applicant: Stark, Crister 590 21 Väderstad (SE)	(72) Inventor: Stark, Crister 590 21 Väderstad (SE) (74) Representative: Lettström, Richard Wilhelm  Albihns Patentbyra Stockholm AB, Box 5581 114 85 Stockholm 114 85 Stockholm (SE)