Abstract: A dosing device for bulk goods comprises a mounting frame (2) in which a trough (4) with a dosing screw (28) is arranged, a drive motor (30) and at least one first vibrating paddle (48). The trough (4) comprises two opposing sidewalls (14, 16), of which at least one flexible sidewall (14) is flexible and the vibrating paddle (48) is arranged on said flexible sidewall (14). The upper edges of said sidewalls (14, 16) are not parallel to each other. A significant improvement in mass flow may be achieved, with a particularly effective prevention of cavity formation, whereby any bulk goods bridges which are formed are rapidly and effectively broken. Even bulk goods which have a clearly poor flow characteristic and tend to clump or stick to the trough sidewalls can be dosed without problems.

Abstract: A weigh feeding apparatus for pourable substances such as granulates, powders and fluids consisting of a container equipped with a controllable device for discharging the substance, weighing apparatus for the container or for a conveyor arranged subsequently to the discharging device. Attached to this is an electronic circuitry provided with a computer for the regulation and control of the discharging device, which counts the digital measuring signals of the weighing apparatus during a period of time, compares them with a reference value and produces a setting or control value for the discharging device at a divergence of the signal.