(19)

(11)

EP 0 086 819 A1

(12)

(43) Date of publication: 31.08.1983 Bulletin 1983/35 (21) Application number: 82902730.0 (22) Date of filing: 30.08.1982

(51) International Patent Classification (IPC):  F23K 3/ 00( . ) F23K 3/ 14( . ) (86) International application number: PCT/FI1982/000033 (87) International publication number: WO 1983/000911 (17.03.1983 Gazette 1983/07)

(84) Designated Contracting States: AT DE FR GB SE (30) Priority: 03.09.1981 FI 19810002730 (71) Applicant: PÄMPPI, Topi SF-27130 Eurajoki as. (FI)	(72) Inventor: PÄMPPI, Topi SF-27130 Eurajoki as. (FI) (74) Representative: Matthews, Heather Clare, et al  Keith W Nash & Co Pearl Assurance House 90-92 Regent Street Cambridge CB2 1DP Cambridge CB2 1DP (GB)