Computerized combination weigher with preset optimum weigher dis

Details Computerized combination weigher with preset optimum weigher dis Computerized combination weigher with preset optimum weigher dis

1984-02-03

1986-01-21

Goldberg, E. A.

Weighing scales

Processes

177 25, 177123, G01G 1900, G01G 1922, G01G 1302

Patent

active

045652538

ABSTRACT:
A method and apparatus for weighing product for delivery to a package is disclosed. Product is fed from a main conveyor to a plurality of secondary conveyors, each of which is provided with an individual weighing station. Each weighing station includes upper and lower weighing units, each weighing unit comprising a gated hopper and a weighing cell. A local computer is provided at each weighing station and all of the local computers are connected to a main computer. In operation the upper weighing unit of each weighing station is set at a different predetermined fraction of the total desired package weight and when sufficient product is delivered to the upper weighing head of each weighing station the conveyor to such weighing station is stopped and the weighed product is delivered to the lower weighing head where the weight is checked. The main computer calculates the combination of weights in each weighing station to determine the combination most nearly equal to but not less than the desired final package weight. The fractional weights at which each weighing head is set may be adjusted up or down dependent upon the number of weighing stations utilized to make up the final package weight.

REFERENCES:
patent: 3706375 (1972-12-01), Raue
patent: 4344492 (1982-08-01), Hirano
patent: 4398612 (1983-08-01), Mikami et al.
patent: 4418771 (1983-12-01), Henry et al.
patent: 4446937 (1984-05-01), Asai

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