B - Operations – Transporting – 08 – B
Patent
B - Operations, Transporting
08
B
141/13, 141/36
B08B 3/00 (2006.01) B08B 3/12 (2006.01) H05K 3/26 (2006.01)
Patent
CA 1267060
ABSTRACT CLEANING APPARATUS FOR ELECTRONIC COMPONENTS AND/OR PRECISION PARTS OF MACHINERY. Cleaning apparatus particularly for cleaning printed circuit boards, of the type comprising an enclosure through which passes a conveyor conveying the boards along a continuous path, at least one cleaning unit, using solvent and so arranged as to spray the solvent over and under the boards carried along said path, at least one solvent reservoir situated at the lower part of said enclosure and designed to receive the solvent dripping after the spraying operation, wherein said apparatus further comprises an ultrasonic cleaning unit comprising a solvent storing tank arranged in said en- closure, in parallel relationship with respect to a horizontal portion of said path and at a short distance below said horizontal portion and above said reservoir, and equipped with ultrasonic generators, said storing tank having at least one draining pipe issuing into said reservoir and controlled by a valve, and overflow means along one side of the tank on the boards inlet side, and control means for the selective control of said spray-cleaning unit, of said ultrasonic cleaning unit and of said valve, so as to determine a first mode of operation in spray cleaning and a second mode of operation in ultrasonic cleaning.
510174
Hirons Brown & Orange
Sauvan Gerard
Societe Anonyme: Outillages Scientifiques Et de Laboratoires O.s
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