(19)

(11)

EP 0 360 824 A1

(12)

(43) Date of publication: 04.04.1990 Bulletin 1990/14 (21) Application number: 88904681.0 (22) Date of filing: 12.04.1988

(51) International Patent Classification (IPC):  F26B 23/ 02( . ) F02B 3/ 06( . ) (86) International application number: PCT/SE1988/000186 (87) International publication number: WO 1988/009471 (01.12.1988 Gazette 1988/26)

(84) Designated Contracting States: AT DE FR GB IT (30) Priority: 29.05.1987 SE 19870002259 (71) Applicant: FAXEBORGENS VIRKESTORKNING I SÖDERHAMN AB S-826 01 Söderhamn (SE)	(72) Inventor: LINDBERG, Björn S-826 06 Söderala (SE) (74) Representative: Rostovanyi, Peter, et al  AWAPATENT AB, Box 5117 S-200 71 Malmö S-200 71 Malmö (SE)