Cleaning and liquid contact with solids – Apparatus – With means for collecting escaping material
Patent
1991-03-08
1993-04-13
Stinson, Frankie L.
Cleaning and liquid contact with solids
Apparatus
With means for collecting escaping material
134108, 134166C, 134169C, 134170, 134200, 118302, B08B 304
Patent
active
052013316
ABSTRACT:
A vapor containment apparatus for washing an ink pump and sucker tube with a volatile ink solvent has a closed receptacle with a liquid solvent sump. An elongated sleeve encases the sucker tube within the receptacle and positions an inlet end of the sucker tube in the sump. A solvent applicator directs solvent into contact with an outer surface of the sucker tube to drain into the sump and wash the outer surface. An solvent return tube delivers solvent from the ink pump to the sump such that solvent can be drawn through the sucker tube and the pump to wash the pump and the inner surface of the sucker tube. A vacuum exhaust draws solvent vapor through openings on the elongated sleeve and the return tube and evacuates the vapor from the closed receptacle.
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R. R. Donnelley & Sons Co.
Stinson Frankie L.
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