Vapor degreasing apparatus

Details Vapor degreasing apparatus Vapor degreasing apparatus

1995-01-26

1996-05-28

Coe, Philip R.

Cleaning and liquid contact with solids

Apparatus

Sequential work treating receptacles or stations with means...

134108, 202170, B08B 310

Patent

active

055202047

ABSTRACT:
A vapor degreasing apparatus includes a heated surface which is heated to a temperature above the boiling point temperature of the solvent used, but below the breakdown temperature of the solvent. The surface is disposed in the solvent vapor area provided above the customary immersion sump containing solvent in its liquid state. After a workpiece has been immersed and cleaned in the liquid solvent, the workpiece is exposed to the heated surface for becoming heated to a temperature which is above the boiling point of the solvent, thereby causing liquid solvent adhering to surfaces of the workpiece to be vaporized and enter the surrounding vapor atmosphere. As the workpiece subsequently is withdrawn from the apparatus, no further solvent adheres to the workpiece and it enters the ambient atmosphere free of any solvent. The apparatus, therefore, provides for substantially zero vapor contamination of the ambient atmosphere.

REFERENCES:
patent: 3229702 (1966-01-01), Murdoch, Jr.
patent: 4690158 (1987-09-01), Yamada et al.
patent: 5085238 (1992-02-01), Baldwin
patent: 5241976 (1993-09-01), Ikawa
patent: 5360027 (1994-11-01), Harman

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