Fluent material handling – with receiver or receiver coacting mea – With testing or weighing receiver content
Patent
1979-04-30
1981-06-30
Spar, Robert J.
Fluent material handling, with receiver or receiver coacting mea
With testing or weighing receiver content
141103, 177 53, 177 81, 222 55, 222 77, 222338, B65B 132
Patent
active
042757754
ABSTRACT:
A dosing system for filling a receptacle with a predetermined desired weight of flowable bulk material. The system has a main dosing apparatus for charging the receptable to an extent less than the predetermined weight and an additional dosing apparatus for complementally charging each receptacle to an extent equal to the deviation between the desired weight and the actual weight resulting from the charging by the main dosing apparatus. The additional dosing apparatus has a dispensing wheel having a plurality of cells of predetermined volume. There is further provided a movably supported shroud member having a shroud face extending along a circumferential portion of the wheel and separating an inlet chamber from an outlet chamber. The position of the shroud member is adjustable for determining a minimum clearance between the shroud face and the periphery of the wheel. A spring urges the shroud member towards the wheel for allowing a resilient yielding movement of the shroud member away from the wheel. A stepping motor is coupled to the wheel for rotating the same to discharge the bulk material. A scale determines the above-defined actual weight of the receptacle. A motor-actuating arrangement causes rotation of the wheel through as many cell divisions as necessary to charge the receptacle up to the desired weight value.
REFERENCES:
patent: 1947210 (1934-02-01), McCrery
patent: 2766911 (1956-10-01), Greaves et al.
patent: 3073398 (1963-01-01), Blodgett et al.
patent: 3209844 (1965-10-01), Stambera et al.
patent: 3703902 (1972-11-01), Sargrove
patent: 3985266 (1976-10-01), Wright, Jr.
SIG - Schweizerische Industrie-Gesellschaft
Spar Robert J.
Wacyra Edward M.
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