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US 8,523,021 B2Granted
Feeding device particularly for powdered materials into a device processing the same
AssigneeLeistritz Extrusionstechnik GmbH
InventorsWolfgang Walter, Robert Rein
Life of this patent
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Abstract
A feeding device, particularly for feeding powdered materials into a device processing the same, in particular an extruder, the feeding device including a housing with a receiving region for receiving the material, which is movable laterally over at least one flexible wall, which is movable by at least one moving mechanical element acting thereon, wherein the element is movable along the wall. The wall exterior has bumps, is moved via the element, and/or the element is non-round in its motion.
Claims13
A. feeding device for powdered materials into a device processing the materials, comprising:
- a housing having a receiving region for receiving the material which is movable laterally via at least one flexible wall;
- and
- at least one moving mechanical element acting on the wall to move the wall, wherein the element is movable along the wall, and the wall has an exterior with bumps over which the element is moved, and/or the element is non-round in its motion.
Dependencies are inferred from the claim text.