Surge absorber assembly
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United States of America Patent
Stats
-
Apr 25, 2000
Grant Date -
N/A
app pub date -
Jun 4, 1999
filing date -
Dec 28, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A surge absorber assembly comprises a metal case provided with a recess, a metal diaphragm attached to the perimeter of the case to form a back pressure chamber in the recess being charged with high-pressure gas, and a metal plate attached so as to hold the diaphragm against the perimeter of the case to form a damper chamber facing the diaphragm, the case, the diaphragm, and the plate being joined by a weld formed by fusing the respective perimeters thereof, and a groove being formed in at least one of the case and the plate alongside the weld.
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