(19)

(11)

EP 0 058 658 A1

(12)

(43) Date of publication: 01.09.1982 Bulletin 1982/35 (21) Application number: 80900738.0 (22) Date of filing: 16.04.1980

(51) International Patent Classification (IPC):  F24B 1/ 08( . ) F24B 5/ 02( . ) (86) International application number: PCT/SE1980/000107 (87) International publication number: WO 1981/003057 (29.10.1981 Gazette 1981/25)

(84) Designated Contracting States: AT CH DE FR GB LI NL SE (71) Applicant: HELLZEN, Johan Thorsten S-931 35 Skelleftea (SE)	(72) Inventor: HELLZEN, Johan Thorsten S-931 35 Skelleftea (SE) (74) Representative: Neihoff, Arne, et al  AB STOCKHOLMS PATENTBYRA Zacco & Bruhn Box 23101 S-104 35 Stockholm S-104 35 Stockholm (SE)