High pressure lamp bulb and method of induction sealing

A high pressure lamp (10) may be made in a pressure vessel (52) by using an induction coil (68) to melt an edge portion of a sealing wafer (20) pressed against the circumference of an opening (30) in the body of the lamp envelope (12). The pressure vessel (52) and the lamp envelope (12) are filled w...

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Bibliographische Detailangaben
Hauptverfasser:	ZASLAVSKY, GREGORY, JOHNSON, DAVID W, CALDWELL, DANA L, DAVEY, ERNEST A
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 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:	A high pressure lamp (10) may be made in a pressure vessel (52) by using an induction coil (68) to melt an edge portion of a sealing wafer (20) pressed against the circumference of an opening (30) in the body of the lamp envelope (12). The pressure vessel (52) and the lamp envelope (12) are filled with desired fill materials. Induction heating is carried out by the induction coil (68) and induction receiver (22) that presses against the wafer (20), the lamp envelope (12) or both to hold the melting piece or pieces in contact. The induction receiver (22) may be fused to the lamp body forming a functional part of the overall lamp structure. The preferred resulting lamp (10) includes a bonded metal piece (42) that can be conveniently used for electrical or mechanical coupling or positioning of the lamp (10) with respect to a base.