H - Electricity – 01 – K
Patent
H - Electricity
01
K
H01K 1/18 (2006.01) H01K 1/24 (2006.01) H01K 3/06 (2006.01)
Patent
CA 2089276
LD 10285 FILAMENT SUPPORT FOR INCANDESCENT LAMPS ABSTRACT OF THE DISCLOSURE An incandescent lamp containing a coiled filament within a vitreous envelope wherein the filament is supported at at least one point along its coil length by a refractory metal support wire one end of which is welded to a coil and the other end secured to the envelope wall by a glass bead. The support prevents filament sag during lamp operation and is especially useful with double-ended high intensity tungsten-halogen lamps having an elliptically shaped filament chamber with an infrared reflecting and visible light transmitting optical interference coating on the chamber.
Ahlgren Frederic F.
Bergman Rolf S.
Olwert Ronald J.
Price Gary L.
Schindler Donald R.
Company General Electric
Craig Wilson And Company
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