A SPRAY APPARATUS AND METHOD

The invention provides a spray apparatus (10) for applying molten metal material (12) to an object (30) as well as a method of applying a cover (130) to the object which spray apparatus includes a housing (14) which has a sealable spray cavity (16), a pneumatic atomizer (20) in the cavity, feeder me...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DE BEER, DEON, JOHAN, VAN DER WALT, JACOBUS, GERT, BARNARD, LUDRICK, JOHANNES
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY NOZZLES PERFORMING OPERATIONS SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention provides a spray apparatus (10) for applying molten metal material (12) to an object (30) as well as a method of applying a cover (130) to the object which spray apparatus includes a housing (14) which has a sealable spray cavity (16), a pneumatic atomizer (20) in the cavity, feeder means (22) connected to the atomizer to supply the material to the atomizer, which feeder means has a furnace vessel (50) wherein the material is produced and a conduit (58) connected to both the vessel and the atomizer through which the material is delivered to the atomizer, heating means (54, 60) engaged with the feeder means and connectable to a power supply (66), air supply means (66) connected to the atomizer and a filtration device (78, 86, 96) which is in communication with the cavity in order to remove any excess material from the cavity. L'invention porte sur un atomiseur (10) servant à pulvériser du métal en fusion (12) sur un objet (30), et sur un procédé de pose d'un cache (130) sur l'objet. Ledit atomiseur comporte: une enceinte (14) comportant une cavité étanche (16) de pulvérisation; un atomiseur pneumatique (20) monté dans la cavité; un conduit d'alimentation (22) de l'atomiseur, comprenant un four (50) où est produit le matériau et un conduit (58) reliant le four à l'atomiseur et alimentant l'atomiseur; un réchauffeur (54, 60) électrique en contact avec le conduit d'alimentation; une alimentation en air (66) reliée à l'atomiseur, et un système de filtrage (78, 86, 96) communiquant avec la cavité et permettant d'en retirer tout matériau en excès.