(19)

(11)

EP 0 165 240 A1

(12)

(43) Date of publication: 27.12.1985 Bulletin 1985/52 (21) Application number: 84900772.0 (22) Date of filing: 09.02.1984

(51) International Patent Classification (IPC):  F16L 27/ 04( . ) F16L 27/ 047( . ) (86) International application number: PCT/SE1984/000044 (87) International publication number: WO 1984/003132 (16.08.1984 Gazette 1984/20)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 10.02.1983 SE 19830000700 (71) Applicant: AKERDAHL, Kenth Olof Bertil S-199 45 Enköping (SE)	(72) Inventor: AKERDAHL, Kenth Olof Bertil S-199 45 Enköping (SE)