Apparatus for continuously pickling the outer surfaces of tubula

Details Apparatus for continuously pickling the outer surfaces of tubula Apparatus for continuously pickling the outer surfaces of tubula

1981-10-01

1983-07-12

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Machines

Brushing

72 40, 134 64R, 134122R, 134184, B08B 902

Patent

active

043922678

ABSTRACT:
An apparatus for continuously pickling the outer surfaces of hermetically plugged tubular members is described. The apparatus includes a plurality of liquid tanks which separately contain different pickling liquids and define through-holes in their respective front and rear walls on at least one common longitudinal line to permit the successive passage of the tubular members therethrough while rotating them around their respective longitudinal axes. The apparatus includes a cleaning tank and cleaning brush unit provided sequentially before the liquid tanks. The cleaning tank includes at least one ultrasonic cleaning oscillator and defines through-holes in the front and rear walls thereof for allowing said tubular members to pass through the cleaning tank and the brush unit. Since any oil, grease or dust can be completely removed by the cleaning tank and brush unit prior to pickling, it is possible to obtain tubular members having excellent outer surface quality.

REFERENCES:
patent: 3858860 (1975-01-01), Randall

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