(19)

(11)

EP 0 116 033 A1

(12)

(43) Date of publication: 22.08.1984 Bulletin 1984/34 (21) Application number: 82902270.0 (22) Date of filing: 28.07.1982

(51) International Patent Classification (IPC):  F16L 27/ 08( . ) (86) International application number: PCT/SE1982/000250 (87) International publication number: WO 1984/000594 (16.02.1984 Gazette 1984/05)

(84) Designated Contracting States: AT DE FR GB LU NL (71) Applicant: JOHANSSON, Stig S A S-163 34 Spanga (SE)	(72) Inventor: JOHANSSON, Stig S A S-163 34 Spanga (SE) (74) Representative: Onn, Thorsten, et al  AB Stockholms Patentbyra Zacco & Bruhn P.O. Box 23101 S-104 35 Stockholm S-104 35 Stockholm (SE)