(19)

(11)

EP 0 064 522 A1

(12)

(43) Date of publication: 17.11.1982 Bulletin 1982/46 (21) Application number: 81903057.0 (22) Date of filing: 18.11.1981

(51) International Patent Classification (IPC):  F24J 3/ 00( . ) F24J 2/ 50( . ) F24J 2/ 46( . ) F24J 2/ 51( . ) (86) International application number: PCT/SE1981/000336 (87) International publication number: WO 1982/001765 (27.05.1982 Gazette 1982/14)

(84) Designated Contracting States: AT CH DE FR GB LI NL SE (30) Priority: 18.11.1980 SE 19800008064 (71) Applicant: TRIMCO K. LINDKVIST S-340 16 Ryssby (SE)	(72) Inventor: LINDKVIST, Axel Krister Ingmar S-340 16 Ryssby (SE) (74) Representative: Hopfgarten, Nils, et al  Bergenstrahle & Lindvall AB Sankt Paulsgatan 1 S-116 47 Stockholm S-116 47 Stockholm (SE)