Halogen incandescent lamp

Electric lamp and discharge devices – With support and/or spacing structure for electrode and/or... – For plural electrodes of discharge device

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H01K 128

Patent

active

043319009

ABSTRACT:
Two-pinch mains voltage halogen incandescent lamp according to the invention have metal foils (6) in the pinches (5) which foils are connected to respective internal current conductors (8) and respective external current conductors (10). The metal foils (6) extend beyond the pinches (5) into the cavity (7) formed by the lamp envelope (1). The internal current conductors (8) do not penetrate into the pinches (5). The construction prevents explosion of the lamps as a result of cracking of either pinch caused by a discharge arc.

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

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