초록 ▼

A method is provided for dosing powdered material from a supply container having a vertically suspending discharge tube of an elastically deformable material, by squeezing said discharge tube at locations, which periodically move along a part of the discharge tube length. In this method, the squeezi

A method is provided for dosing powdered material from a supply container having a vertically suspending discharge tube of an elastically deformable material, by squeezing said discharge tube at locations, which periodically move along a part of the discharge tube length. In this method, the squeezing of the discharge tube is effected in a similar way as the flexible tube of a peristaltic pump of the type, with which the tube engages a support wall on one side and with which a peristaltic mechanism is provided on the opposite side for squeezing the tube according to a travelling wave, the length of which does not exceed one single wave length.

대표청구항 ▼

[ What is claimed is:] [1.]1. A device for dosing powdered material from a supply container, comprising a lineary peristaltic pump, with which a tube-shaped outlet suspending from the supply container engages a support wall on one side and with which another side of said outlet a blade package to be

[ What is claimed is:] [1.]1. A device for dosing powdered material from a supply container, comprising a lineary peristaltic pump, with which a tube-shaped outlet suspending from the supply container engages a support wall on one side and with which another side of said outlet a blade package to be driven by an eccentric mechanism, the individual blades of which are adapted to squeeze the tube-shaped outlet according to a travelling wave which covers on more than a single wave length, characterized in that a drive motor shaft is coupled with means for agitating a discharge potion of the container, said means being provided at a location upstream of the pump.