An apparatus for manufacturing a light diffusing glass envelope

An apparatus for manufacturing a light diffusing glass envelope, the apparatus comprises means (2, 12, 16) for forming a glass envelope from a layer (8) of glass at an elevated temperature and means (22) for electrostatically depositing particles of a powder on the internal surface of said glass env...

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Bibliographische Detailangaben
Hauptverfasser:	ROSE, MICHAEL JOHN, COX, WILLIAM ALFRED LAWRENCE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY ELECTRIC INCANDESCENT LAMPS ELECTRICITY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	An apparatus for manufacturing a light diffusing glass envelope, the apparatus comprises means (2, 12, 16) for forming a glass envelope from a layer (8) of glass at an elevated temperature and means (22) for electrostatically depositing particles of a powder on the internal surface of said glass envelope (20) to form a coating on said internal surface. The means (22) for electrostatically depositing particles is positioned to permit deposition of said particles when said glass envelope (20) is attached to said layer (8).