(19)

(11)

EP 0 167 560 A1

(12)

(43) Date of publication: 15.01.1986 Bulletin 1986/03 (21) Application number: 85900251.0 (22) Date of filing: 19.12.1984

(51) International Patent Classification (IPC):  E02B 8/ 02( . ) (86) International application number: PCT/SE1984/000434 (87) International publication number: WO 1985/002794 (04.07.1985 Gazette 1985/15)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 27.12.1983 SE 19830007171 (71) Applicant: SPIRAC ENGINEERING AB S-211 35 Malmö (SE)	(72) Inventor: JOHANSSON, Dag S-386 00 Färjestaden (SE) (74) Representative: Magnusson, Gustav  MAGNUPATENT AB P.O. Box 6207 S-200 11 Malmö 6 S-200 11 Malmö 6 (SE)