Electric lamp and discharge devices – With getter – Incandescent lamp type
Patent
1993-07-19
1995-06-27
Grant, II, Jerome
Electric lamp and discharge devices
With getter
Incandescent lamp type
313548, H01K 154
Patent
active
054282624
ABSTRACT:
An electric incandescent lamp includes a metal getter strip secured to a filament. The getter strip has a closed circumferential bounding edge which defines a closed aperture through which the filament extends and an integral retaining portion biased against said filament for retaining the bounding edge between a pair of coil turns. In a favorable embodiment, the strip has opposing portions each with a respective closed aperture through which the filament extends. Tail portions bent against the filament bias the opposing bounding edge of the apertures between respective turns to secure the getter to the filament. The side edges of the getter are spaced from the lamp envelope to avoid blackening of the inner wall adjacent the getter strip.
REFERENCES:
patent: 3748519 (1973-07-01), Martin et al.
Grant II Jerome
Philips Electronics North America Corporation
Wieghaus Brian J.
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