(19)

(11)

EP 0 245 353 A1

(12)

(43) Date of publication: 19.11.1987 Bulletin 1987/47 (21) Application number: 86906478.0 (22) Date of filing: 06.10.1986

(51) International Patent Classification (IPC):  F21V 35/ 00( . ) F23Q 25/ 00( . ) (86) International application number: PCT/SE1986/000448 (87) International publication number: WO 1987/003070 (21.05.1987 Gazette 1987/11)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 15.11.1985 SE 19850005411 02.05.1986 SE 19860002034 (71) Applicants: NORDENSKIÖLD-BENGTSSON, Per-Ake (Bobbo) S-686 02 Rottneros (SE) AGREN, Leif S-665 00 Kil (SE)	(72) Inventors: NORDENSKIÖLD-BENGTSSON, Per-Ake (Bobbo) S-686 02 Rottneros (SE) AGREN, Leif S-665 00 Kil (SE)