Solder coating device with oxide collecting trough

Details Solder coating device with oxide collecting trough Solder coating device with oxide collecting trough

1989-09-21

1990-08-28

Hoag, Willard

Coating apparatus

With heat exchange, drying, or non-coating gas or vapor...

118 74, 118227, 118253, 118258, 228 34, 228 38, 228 43, B05C 102

Patent

active

049515977

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.

REFERENCES:
patent: 1302106 (1919-04-01), Watkins
patent: 1707611 (1929-04-01), Hamburger et al.
patent: 1788610 (1931-01-01), Ashworth et al.
patent: 3006318 (1961-10-01), Monroe et al.
patent: 3958039 (1976-05-01), Yabuki et al.
patent: 4563974 (1986-01-01), Price
patent: 4741474 (1988-05-01), Potet et al.
patent: 4799450 (1989-01-01), Cornellier

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