(19)
(11) EP 0 101 559 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
20.08.1986 Bulletin 1986/34

(43) Date of publication A2:
29.02.1984 Bulletin 1984/09

(21) Application number: 83106975

(22) Date of filing: 15.07.1983
(84) Designated Contracting States:
CH DE FR GB IT LI

(30) Priority: 20.07.1982 IT 4572682

(71) Applicant: Fotomec - San Marco S.p.A.
 ()

(72) Inventors:
  • Fracas, Franco
     ()
  • Marson, Roberto
     ()
  • Piccoli, Primo
     ()

   


(54) A device for automatically metering chemical products in a developing machine


(57) @ A device for attomatically metering chemical products in a developing machine comprises pump means (2) and valve means (4). An electronic program unit (6) including a memory is connected on the one hand to a photocell (8) sensing the quantity of paper (7) treated, and on the other hand, to a pulse counter (3) and to an electrovalve (4) so as to constantly monitor the consumption of substances from the treatment bath and to actuate said valve means for regenerating the chemical substances contained in the treatment vessel (5).






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