Apparatus for flux coating metal wick

Details Apparatus for flux coating metal wick Apparatus for flux coating metal wick

1977-12-22

1979-01-09

McIntosh, John

Coating apparatus

With vacuum or fluid pressure chamber

118 74, 118634, 228 40, B05C 312

Patent

active

041332911

ABSTRACT:
A metal wick to be used for the absorption of molten solder is deoxidized and flux coated by a process that does not involve the application of heat to the wick or the flux. In one embodiment the wick is cleaned by heating in a reducing atmosphere and is then immersed in a coating bath containing a solution of a rosin flux in an organic solvent. On leaving the bath the welted wick enters a low-pressure chamber in which the solvent rapidly evaporates at room temperature. In another embodiment the deoxidized wick is coated with comminuted solid resin by electro-static means.

REFERENCES:
patent: 2797173 (1957-06-01), Keller
patent: 3627191 (1971-12-01), Hood, Jr.
patent: 3741155 (1973-06-01), Hunder
patent: 3887720 (1975-06-01), Jackson
patent: 3895603 (1975-07-01), Barough et al.

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