(19)

(11)

EP 0 031 600 A3

(12)	EUROPEAN PATENT APPLICATION

(88) Date of publication A3: 28.10.1981 Bulletin 1981/43 (43) Date of publication A2: 08.07.1981 Bulletin 1981/27 (21) Application number: 80201035 (22) Date of filing: 31.10.1980

(84) Designated Contracting States: AT CH DE FR GB LI NL (30) Priority: 07.11.1979 BE 58186 (71) Applicant: Neuckens, François  ()	(72) Inventor: Neuckens, François  ()