Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1979-04-26
1981-01-13
Moore, Christopher K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15306A, 68 18C, 134 64P, 134122P, A47L 538
Patent
active
042440785
ABSTRACT:
An apparatus for ultra-sonically cleaning any information bearing material, web, sheet, fiche, film or similar strip material is operable in two modes. The first mode is directed to cleaning the film, and employs a pair of air nozzles for nonevaporatively stripping cleaning solvent from the surface of the film, after the film has been immersed in the solvent. The action of the air nozzles creates a mist of solvent about the nozzles, which is condensed by a plurality of cooling coils and collected, and circulates same through a purification system and returns the solvent to the cleaning tank for subsequent reuse in the film cleaning mode of operation. The air emerging from the nozzles is returned to the air compressor, thereby forming a closed loop compressor system which minimizes escape of solvent vapors into the atmosphere. After a period of use in the film cleaning mode of operation, a second solvent reclaiming mode of operation drains the contaminated solvent from the cleaning tank, and circulates same through a purification system and returns the solvent to the cleaning tank for subsequent reuse in the film cleaning mode of operation. Both modes use the same cooling coils and purification system.
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Bowen Howard
Hughes Richard J.
Moore Christopher K.
Research Technology Inc.
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