Method for amalgam relocation in an arc discharge tube
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Aug 8, 2000
Grant Date -
N/A
app pub date -
Dec 11, 1991
filing date -
Dec 11, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An arc discharge tube has electrodes supported by hollow electrode support tubes at each end. A slot is formed in the electrode support tube. One edge of the slot is depressed inwardly to form a concave surface. The slot is located adjacent to the end cap of the arc tube and provides access to the interior of the electrode support tube. After the electrode assembly is sealed into one end of the arc tube, amalgam particles are dispensed into the arc tube. The arc tube is agitated rapidly, causing the amalgam particles to pass through the slot and drop into the interior of the electrode support tube. The amalgam particles are isolated from heat during sealing of the other end of the arc tube.
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