Assembly process by welding of two solid copper pieces and assembly performed using such a process
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United States of America Patent
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-
Feb 1, 1994
Grant Date -
N/A
app pub date -
May 14, 1992
filing date -
May 21, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Two solid copper pieces are assembled by welding without filler metal. The pieces both have a projection which are placed facing and in contact with one another, before the pieces to be assembled are placed on the welding press. Welding is performed by passing a very high intensity current for a short period of about one tenth of a second under very high pressure. The welding operation prevents any annealing of the copper.
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