Patent ID: 6041980
Filing Date: 2000-03-28
Classification: B65B

Abstract:
A dosing apparatus for use in a form-fill process, comprising:a former tube having an inlet end through which particulate filling material is supplied and a web of material being formed into a tubular envelope around the former tube,the former tube having an outlet end opposite said inlet end and a passage within the tube extending between said inlet and exit ends,a dosing opening in said passage through which said material passes, a dosing valve within the former tube co-operating with said dosing opening,a drive mechanism coupled to said valve for reciprocation of the valve to open and close said dosing opening alternately and dispense said material in discrete doses through said exit end into the tubular envelope, andmeans being provided to vary at least one of the rate of flow and the period for flow of the filling material through said dosing opening to control the quantity of material dispensed in each dose.