Process and Apparatus for Supply of Particulate Material to a Particulate Printing Process

A process and apparatus for depositing particulate material in a predetermined pattern onto a moving surface is disclosed. A particulate material may be fed under gravity from a hopper to a discharge zone containing a feed opening. A gas may be supplied, by a gas supply assembly, under pressure to t...

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Bibliographische Detailangaben
Hauptverfasser:	JACKELS HANS ADOLF, RICHTER MEIKE, VAN DER KLUGT WALTER PIETER HENDRIK LAURENTIUS
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BANDAGES, DRESSINGS OR ABSORBENT PADS CONVEYING DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HANDLING THIN OR FILAMENTARY MATERIAL HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PACKING PERFORMING OPERATIONS PNEUMATIC TUBE CONVEYORS PROSTHESES SHOP CONVEYOR SYSTEMS SPRAYING OR ATOMISING IN GENERAL STORING TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING TRANSPORTING TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	A process and apparatus for depositing particulate material in a predetermined pattern onto a moving surface is disclosed. A particulate material may be fed under gravity from a hopper to a discharge zone containing a feed opening. A gas may be supplied, by a gas supply assembly, under pressure to the bulk of particulate material within the hopper discharge zone. The particulate material may be transferred through the feed opening to the surface of a transfer device, which contains a pattern of particulate-receiving recesses. The transfer device may rotate to a deposition zone and transfer the particulate material to a carrier layer.