Method of and device for filling a bag having air extracting means
AssigneeBMH Chronos Richardson Limited
InventorWerner Schlösser
Life of this patent
Estimating the term…
Abstract
A method of filling a bag with pourable, especially powdery material, by means of a dispensing device with a vertical filling pipe which can be introduced into the bag and which comprises flanging-on means at its upper end and a closing device at its lower end, wherein prior to or during the filling operation, air is extracted from the material above the closing device via the inside of the filling pipe.
Claims12
A method of filling a bag with pourable, especially powdery material, by means of a dispensing device with a vertical filling pipe which can be introduced into the bag and which comprises flanging-on means at its upper end and a vertically controllable closing cone at its lower end and wherein prior to or during the filling operation, air is extracted from said material above said closing cone via the inside of said filling pipe.
A dispensing device for pourable, especially powdery material, having a vertical filling pipe with flanging-on means to be fixed to a feeding funnel and a closing device at the lower end of said filling pipe wherein said filling pipe comprises an outer pipe and a sieving hose which are positioned coaxially inside one another, and wherein an annular space between said outer pipe and said sieving hose is connectable to air extracting means, wherein said sieving hose consists of several layers of wire mesh and wherein that the mesh size of said layers of wire mesh increases from the inside to the outside.
Dependencies are inferred from the claim text.