(19)

(11)

EP 0 020 510 A1

(12)

(43) Date of publication: 07.01.1981 Bulletin 1981/01 (21) Application number: 79901371.0 (22) Date of filing: 12.10.1979

(51) International Patent Classification (IPC):  C02F 1/ 14( . ) C02F 1/ 04( . ) (86) International application number: PCT/SE1979/000206 (87) International publication number: WO 1980/000833 (01.05.1980 Gazette 1980/10)

(84) Designated Contracting States: FR (30) Priority: 18.10.1978 SE 19780010875 (71) Applicant: PROJECTUS INDUSTRIPRODUKTER AB S-161 20 Bromma (SE)	(72) Inventor: GUSTAFSSON, Berth Ulrik S-180 21 Österskär (SE)