POWDER FEEDER

There is provided a powder feeder (10, 10') comprising a main chamber (12, 12') with a gas inlet (14, 14') and a powder outlet (16), at least one secondary chamber (20, 20') configured to receive powder and a shaver element (22, 40, 50), wherein the shaver element (22, 40, 50) is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KONG, Choon, SEVCENKO, Pavels
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL LIME, MAGNESIA MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS METALLURGY PACKING PERFORMING OPERATIONS PNEUMATIC TUBE CONVEYORS REFRACTORIES SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SHOP CONVEYOR SYSTEMS SLAG STORING TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING TRANSPORTING TREATMENT OF NATURAL STONE UNPACKING WORKING CEMENT, CLAY, OR STONE WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	There is provided a powder feeder (10, 10') comprising a main chamber (12, 12') with a gas inlet (14, 14') and a powder outlet (16), at least one secondary chamber (20, 20') configured to receive powder and a shaver element (22, 40, 50), wherein the shaver element (22, 40, 50) is positioned directly above an opening (26, 26') in the at least one secondary chamber (20, 20'). The secondary chamber (20, 20') further comprises a piston means (28, 28') movable towards the shaver element (22, 40, 50) so as to urge powder upwards. Examples of a shaver element include a rotatable screw (22), a conveyor belt (40) and a rotating disc (50) with protrusions (54).