(19)
(11) EP 0 092 265 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
14.11.1984 Bulletin 1984/46

(43) Date of publication A2:
26.10.1983 Bulletin 1983/43

(21) Application number: 83200458

(22) Date of filing: 31.03.1983
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 16.04.1982 IT 2078982

(71) Applicant: CAR VENTOMATIC S.p.A.
 ()

(72) Inventor:
  • Moltrasio, Mario
     ()

   


(54) Deaerator for automatic bag filling machines for particulate materials


(57) The invention consists in making the wall on which the product to be bagged flows, in the area where the product is fed to the filling nozzle, of a filtering material, through which air can pass but not the product to be bagged, and in closing such an area of filtering porous material, with an impermeable wall so as to form a chamber, where vacuum in the bag filling stage or a pressurized air blow in the stage of replacing a filled bag with an empty bag on the nozzle, are alternately produced.






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