Incandescent lamp comprising a glass bulb of tubular shape in which a filament is axially arranged
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United States of America Patent
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Jan 20, 2004
Grant Date -
N/A
app pub date -
Jun 27, 2000
filing date -
Jun 28, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An incandescent lamp comprising a glass bulb (3) of tubular shape in which a filament (4) is axially arranged. The end is hermetically sealed by means of a pinch (5) applied around a metal foil (1) to which an outer current lead (7) and an inner current lead (6) electrically connected to the filament are fixed. A second, intermediate flat foil (2) is connected directly to the end (9) of the filament, between the latter and the inner current lead (6), and the bulb is elbowed at the level of said second flat foil (2).
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