Weighing scales – Weigher responsive material control – Plural chambers
Patent
1977-05-10
1978-03-28
Miller, Jr., George H.
Weighing scales
Weigher responsive material control
Plural chambers
177121, 222 56, G01G 1300, G01G 1304, B67D 508
Patent
active
040810445
ABSTRACT:
A feed control system for a plurality of packaging machines is provided wherein the overall supply to the machines is controlled in accordance with total demand. A pulse is produced by each machine after a filling and sealing operation is completed and a weight constant multiplier is employed to multiply this pulse by a weight constant associated with the package (the number of grams or ounces contained in the package). The outputs of all of the weight constant multipliers are connected to a parallel to series converter which produces a signal in the form of a pulse train representative of the total weight requirements of all packaging machines per unit time. This signal is converted into a corresponding voltage level which is utilized by a storage conveyor motor controller to control the overall feed rate to the machines.
REFERENCES:
patent: 2608372 (1952-08-01), Ferguson et al.
patent: 3077365 (1963-02-01), Fisher
patent: 3237807 (1966-03-01), Garrey
patent: 3534709 (1970-10-01), Thompson
patent: 3544167 (1970-12-01), Fuchu et al.
patent: 3708208 (1973-01-01), Fuss
patent: 3851925 (1974-12-01), Roberson
patent: 3901555 (1975-08-01), Wise
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