Cleaning and liquid contact with solids – Processes – With work or work parts movable during treatment
Patent
1989-06-02
1991-07-16
Davis, Curtis R.
Cleaning and liquid contact with solids
Processes
With work or work parts movable during treatment
15 77, 15114, 15302, 15303, 153061, 134 10, 134 40, 134 36, 134 76, 134130, 134144, 134184, B08B 102, B08B 300
Patent
active
050321870
ABSTRACT:
In a cleaning system for cleaning venetian blinds, the blinds are stretched with their slats extending vertically on a carrier belt that is mounted to rotate about longitudinally separated drive and idler assemblies. One run of the carrier belt forms a station for loading and unloading of the blinds, and the other run of the carrier belt passes through successively arranged chambers in which both sides of the blinds to be cleaned are sprayed with washing liquid followed by various rinse solutions, whereafter the blind is passed through a drying chamber in which hot air is blown to effect drying. The vertical arrangement of the slats of the blind enable the washing and rinse liquids to drain rapidly and substantially completely so that the energy required for drying is reduced. The blinds are held upon the carrier belt under tension which has the effect of producing a slight separation between the slats of the venetian blind when in the closed position, and also prevents shrinkage of the venetian blind ladders as a result of heating during drying.
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