(19)

(11)

EP 0 126 736 A1

(12)

(43) Date of publication: 05.12.1984 Bulletin 1984/49 (21) Application number: 83903514.0 (22) Date of filing: 10.11.1983

(51) International Patent Classification (IPC):  B29D 23/ 00( . ) F16L 9/ 12( . ) (86) International application number: PCT/EP1983/000296 (87) International publication number: WO 1984/001988 (24.05.1984 Gazette 1984/13)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 18.11.1982 GB 19820032988 15.07.1983 GB 19830019155 (71) Applicant: WIRSBO BRUKS AKTIEBOLAG S-730 61 Virsbo (SE)	(72) Inventor: JERKER, Skarelius S-730 61 Virsbo (SE)