(19)

(11)

EP 0 386 014 A1

(12)

(43) Date of publication: 12.09.1990 Bulletin 1990/37 (21) Application number: 88907863.0 (22) Date of filing: 10.08.1988

(51) International Patent Classification (IPC):  B25B 13/ 06( . ) B25B 13/ 54( . ) B25B 13/ 02( . ) B25B 15/ 00( . ) (86) International application number: PCT/SE1988/000403 (87) International publication number: WO 1990/001399 (22.02.1990 Gazette 1990/05)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL (71) Applicant: SUNDBERG, Ingvar S-284 00 PERSTORP (SE)	(72) Inventor: SUNDBERG, Ingvar S-284 00 PERSTORP (SE) (74) Representative: Hammar, Ernst, et al  H. Albihns Patentbyra AB, P.O. Box 3137 S-103 62 Stockholm S-103 62 Stockholm (SE)