Halogen incandescent lamp

Details Halogen incandescent lamp Halogen incandescent lamp

1982-03-15

1983-08-02

Anderson, Bruce C.

Electric lamp and discharge devices

With gas or vapor

Incandescent filament lamp

H01K 128

Patent

active

043968589

ABSTRACT:
A two-pinch line voltage halogen incandescent lamps according to the invention has metal foils in the pinches which foils are connected to respective internal current conductors and external conductors. The metal foils extend from the pinches into the cavity formed by the lamp envelope. The internal current conductors have a maximum diameter of 300 .mu.m and are welded to the metal foils in a place situated in the cavity formed by the lamp envelope, in a place situated in the pinch, or both in the cavity and in the pinch. The construction prevents explosion of the lamp as a result of cracking of the pinches caused by a discharge arc.

REFERENCES:
patent: 3719853 (1973-03-01), Sugane et al.
patent: 3849687 (1974-11-01), Huston et al.
patent: 3956660 (1976-05-01), Ooms

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