(19)

(11)

EP 0 245 425 A1

(12)

(43) Date of publication: 19.11.1987 Bulletin 1987/47 (21) Application number: 86906976.0 (22) Date of filing: 05.11.1986

(51) International Patent Classification (IPC):  E03D 1/ 01( . ) (86) International application number: PCT/SE1986/000506 (87) International publication number: WO 1987/003027 (21.05.1987 Gazette 1987/11)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI NL SE (30) Priority: 06.11.1985 SE 19850005241 (71) Applicant: LINDSTRÖM, Bengt S-114 30 Stockholm (SE)	(72) Inventor: LINDSTRÖM, Bengt S-114 30 Stockholm (SE) (74) Representative: Moberg, Sture  Kungstensgatan 48 S-11359 Stockholm S-11359 Stockholm (SE)