Solder coating device with oxide collecting trough
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United States of America Patent
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-
Aug 28, 1990
Grant Date -
N/A
app pub date -
Sep 21, 1989
filing date -
Sep 29, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A roller-type solder coating device for applying a coating of liquid solder to a workpiece. The device has a solder bath tank, a coating roller, and a nozzle connected to a pumping chamber provided in the tank to provide a flow of the solder bath to the coating roller. A trough is positioned underneath the coating roller and similarly connected to the nozzle so as to prevent direct re-entry of the solder delivered from the nozzle into the solder bath. The tank may be sealed and inert gas introduced therein to prevent oxidation of the solder contained within the tank. A second coating roller may be provided so as to permit simultaneous coating of opposite sides of a workpiece during its passage between the coating rollers.
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