Control means and method for powder bagging
AssigneeE. I. Du Pont de Nemours and Company
InventorsNicholas Biddle, III, Stephen R. Craig
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AssigneeE. I. Du Pont de Nemours and Company
InventorsNicholas Biddle, III, Stephen R. Craig
Estimating the term…
Means and method for automatically controlling a powder bagging machine, said powder bagging machine having a weighing means for measuring the quantity of powder dispensed, and a means for dispensing the powder into a container, said automatic control means comprising a comparator means for sensing deviations in weight as measured by said weighing means, a control means for analyzing said weight deviations and for controlling the dispensing means. The method of the present invention comprises operating said means so as to effect a multi-stage filling cycle, the first stage comprising operating said dispensing means at a predetermined high speed for a predetermined time, the second stage(s) comprising controlled rate(s) of deceleration of said dispensing means, and the optional last stage comprising operating said dispensing means at a predetermined low speed or at a low rate of deceleration from a predetermined low speed until the desired weight of powder is dispensed.
A method for automatically controlling a powder bagging machine, said powder bagging machine having a weighing means for measuring the weight of powder dispensed and a means for dispensing the powder into a container, said method comprising the following steps in sequence:
Dependencies are inferred from the claim text.