B - Operations – Transporting – 05 – C
Patent
B - Operations, Transporting
05
C
141/35, 149/4
B05C 3/04 (2006.01) B05C 3/05 (2006.01)
Patent
CA 1080095
TREATMENT OF METAL STRIP WITH ULTRASONIC ENERGY AND APPARATUS THEREFOR Abstract of the Disclosure Method and apparatus in which moving metal strip is treated in a treating solution in an elongated tank having a granite bottom sloping upwardly on each side of the longi- tudinal center line of the tank and ultrasonic energy is directed downwardly through the moving metal strip to be reflected back and forth between the sloping granite bottom and the surface of the treating solution in a path that ex- tends across the width of the tank and repeatedly intersects the moving metal strip. The minimum number of ultrasonic generating units are possible in an arrangement in which the ultrasonic generating units extend longitudinally of the tank along a line above a marginal portion of the moving metal strip with the beams from the ultrasonic generating units directed vertically downwardly or at an angle to the vertical in a direction transverse of the length of the tank so as to pass through the marginal portion of the metal strip and im- pinge on the bottom of the tank, from whence the beams are reflected to the surface of the solution and then back to the bottom and so on across the tank passing repeatedly through the metal strip. Additional strategically located sonic gen- erators increase the effectiveness of the treatment. The sonic generators can be supported in liquid-containing recep- tacles which extend below the liquid level of the treating solution in the tank. The liquid-holding receptacles can be supported on cover members which extend across the tank and enclose the top of the tank.
266172
Jubenville Duncan
Kenney Donald J.
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