Halogen incandescent lamp, particularly for operation from power

Details Halogen incandescent lamp, particularly for operation from power Halogen incandescent lamp, particularly for operation from power

1991-02-26

1992-09-08

Yusko, Donald J.

Electric lamp and discharge devices

With gas or vapor

Incandescent filament lamp

313273, 313274, 313279, 313316, H01K 150, H01K 118

Patent

active

051461340

ABSTRACT:
To support a filament, or filament structure, in a halogen incandescent l, which may have a V or U filament, a straight filament, or be of the lumiline type, support ribs are placed within the lamp, which support ribs are formed from the lamp bulb material itself, by deforming the lamp bulb after local softening, for example by punches or by applying a vacuum, to provide interiorly extending, essentially tubular ribs. The tubular ribs may have circular or oval cross section, and can be placed to engage the filament to, for example, pinch the filament therebetween. In the pinching regions, the filament preferably is straight or only single-coiled and may be supported by a core pin.

REFERENCES:
patent: 2042963 (1936-06-01), Rentschler et al.
patent: 3195001 (1965-07-01), Hodge
patent: 3764845 (1973-10-01), De Fraeye
patent: 3840953 (1974-10-01), Martin
patent: 3983441 (1976-09-01), Northrup
patent: 4096405 (1978-06-01), Goto
patent: 4570104 (1988-02-01), Janseen et al.
patent: 4812710 (1989-03-01), Klam et al.
patent: 4876482 (1989-10-01), Stadler
patent: 5045748 (1991-09-01), Ahlgren et al.

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