(19)

(11)

EP 0 038 329 A1

(12)

(43) Date of publication: 28.10.1981 Bulletin 1981/43 (21) Application number: 80901336.0 (22) Date of filing: 01.07.1980

(51) International Patent Classification (IPC):  B06B 1/ 18( . ) F16K 31/ 385( . ) F15B 21/ 12( . ) G10K 9/ 04( . ) (86) International application number: PCT/SE1980/000184 (87) International publication number: WO 1981/000064 (22.01.1981 Gazette 1981/02)

(84) Designated Contracting States: AT CH DE FR GB LI NL (30) Priority: 03.07.1979 SE 19790005798 (71) Applicant: KOCKUMATION AB S-212 10 Malmö (SE)	(72) Inventor: NILSSON, Carl-Eric S-230 50 Bjärred (SE) (74) Representative: Ström, Tore, et al  Ström & Gulliksson AB Studentgatan 1 P.O. Box 4188 S-203 13 Malmö S-203 13 Malmö (SE)