Patent ID: 8728986

Claim:
A method for metering substances, the substances including at least one of a grinding element and a mixing element, the method comprising: in a first step, providing the substances in a storage container open on one side; subsequently, in a second step, at least one of vibrating, shaking, and rotating the storage container; and in a third step, through pressure on a plunger, which is axially movable and reversibly seals the opening of the storage container, metering the substances through at least one metering opening through the plunger, at least one of the grinding element and the mixing element being retained in the storage container, wherein the plunger includes a separation device for particles, wherein the separation device is situated upstream from the at least one metering opening, wherein at least one of the storage container and the plunger includes a receptacle used as a contact point for a mechanical gripper device, wherein the plunger is connected to a piston skirt which has a metering line for metering the substances, and the receptacle is attached to its end facing away from the plunger.