FIELD: chemical, microbiological and pharmaceutical industries. SUBSTANCE: dosing apparatus has drum, drum rotation drive, blades fixed on drum inner surface, receptacle provided with inlet and outlet openings and positioned within drum. Receptacle has plate positioned adjacent to inlet opening and inclined at an angle of 10-60 deg to horizontal plane in the direction of rotation of drum. Gate mounted in outlet opening has drive connected with blade position synchronizer. Receptacle has vibrator connected with blade position synchronizer. Receptacle has variable volume. EFFECT: wider operational capabilities, increased precision of dosing and provision for varying volume of portion. 4 cl, 2 dwg
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