for adjusting the quantities of a liquid or paste food or pharmaceutical product dosed and dispensed by a doser dispenser in which the weight of at least every nth one of the recipients filled by the same doser dispenser with a dosed quantity of the product is measured the number n being an integer between 1 and 1000 each weight value measured is compared with a predetermined standard value and at least one of the end of stroke positions of the doser piston of the doser dispenser is adjusted step by step and during the operation of the doser dispenser in the sense of increasing or decreasing the stroke of the doser piston when the difference between the actual weight measured and the difference between the actual weight measured and the predetermined standard weight exceeds a limiting value the adjustment is continued stepwise until the difference disappears application_number US 84467192 A description the first enclosure 3 constitutes the dosing part 20a of the doser dispenser 20 and the second enclosure 24 constitutes the dispensing part 20b of said doser dispenser 20 the first enclosure 3 presents a cylindrical configuration and comprises from top to bottom an upper supply chamber 25 permanently connected to the supply conduit 22 and through the latter to the first storage reservoir and a lower dosing chamber 26 which may present a diameter slightly smaller than that of the supply chamber 25 the lower end.