Vertical type stream plating apparatus

Details Vertical type stream plating apparatus Vertical type stream plating apparatus

1992-09-21

1993-08-17

Tufariello, T. M.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C25D 1700

Patent

active

052365662

ABSTRACT:
The present invention relates to a vertical type stream plating apparatus for plating the surface of a metal strip with tin, chromium, copper or the like. Fundamentally, the apparatus comprises an electrolyte feeding nozzle for feeding an electrolyte into a space between electrodes, a side seal provided on both sides in the widthwise direction of the electrode and a pressure equalizing chamber provided on the backside of the electrode. The apparatus further comprises a electrode having a plurality of through holes communicating with the pressure equalizing chamber provided in an electrode box, waste electrolyte equipment provided with a waste electrolyte box for gathering and discharging the electrolyte and a seal equipment provided at the lowermost portion of the apparatus for preventing the outflow of the electrolyte. The above constitution enables the flow rate distribution of the electrolyte in the widthwise direction of the strip to be made more homogeneous than the prior art and enables the flow rate of the electrolyte to be increased without causing problems of vibration (fluttering phenomenon) of the strip and adsorption of the strip to the electrode, which contributes to an increase in the speed of plating and an improvement in the quality of plating.

REFERENCES:
patent: 4601794 (1986-07-01), Tsuda et al.

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