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US 5,309,961 AGranted
Nozzle for filler pipes in packaging machines
AssigneeTetra Laval Holdings & Finance S.A.
InventorsRickard Franke, Bengt Bengtsson
Life of this patent
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AssigneeTetra Laval Holdings & Finance S.A.
InventorsRickard Franke, Bengt Bengtsson
Estimating the term…
Nozzles for filler pipes employed in packaging machines of the type which meter a certain quantity of contents, e.g. milk, into individual packages which are advanced stepwise and placed beneath the nozzle of the filler pipe. In order to avoid frothing of the contents, of the nozzle is manufactured from flexible material and includes one or more transverse rigidifying ribs which are of substantially triangular cross sectional configuration and which define two or more separate outlets. The outlets are covered by flaps which are opened by the contents when the contents are caused, with the aid of a metering pump, to flow out through the filler pipe so that the flow of contents is divided and directed towards the vertical walls of the package via which the contents flow down to the bottom of the package with a considerably reduced risk of frothing and spatter as a result.
A nozzle for filler pipes used in packaging machines in which open-topped packages are filled with a determined quantity of liquid contents, the nozzle being manufactured from flexible material and including at least two movable flaps disposed to be moved from a closed position to an open position by liquid contents flowing through the nozzle, said nozzle having at least one central, transverse rigidifying rib which forms at least two discrete outlets, each of said outlets being positioned between the rib and one of the at least two flaps.
A nozzle to be attached to a filler pipe in a filling machine which dispenses a predetermined quantity of contents into open-topped packages, said nozzle having an opening extending therethrough from a top end to a bottom end for allowing contents to flow through the nozzle, said nozzle including a plurality of flaps movable to an open position when the contents flow through the nozzle in order to allow the contents to be discharged into a package through the bottom end of the nozzle, and including means stationarily positioned in an interior of the nozzle and extending from one side of the nozzle interior to an opposite side for outwardly deflecting contents flowing through the nozzle so that the contents are directed towards upstanding walls of the open-topped packages during a filling operation to thereby retard the flow of the contents into the package and inhibit froth formation.
Dependencies are inferred from the claim text.