| 摘要 |
The invention relates to a gravimetric dosing apparatus having a support frame (2), a plurality of loading hoppers (3,4,5,6) carried by said support frame (2) and provided with a respective discharge outlet, and an opening-closing device (7) of its discharge outlet, a weighing hopper (16) provided with a discharge outlet and an opening and closing device (7) of its own discharge outlet and arranged to be in cascade connection with respect to said loading hoppers (3,4,5,6) transducing means designed to generate output signals proportional to the weight of the material discharged into said weighing hopper (16), a mixing assembly (18) carried by said support frame (2) and arranged to be in cascade connection with respect to said weighing hopper, (16) and a program control unit (25) designed to receive input signals from said transducing means, and to program control said opening-closing devices (7). <IMAGE>
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