Water-based flushing for paints and other coatings

Details Water-based flushing for paints and other coatings Water-based flushing for paints and other coatings

1997-01-16

1997-12-30

Coe, Philip R.

Cleaning and liquid contact with solids

Apparatus

With plural means for supplying or applying different fluids...

118302, 134107, 134108, 134109, 134169R, B08B 304, B08B 900

Patent

active

057019223

ABSTRACT:
An apparatus, method and purge concentrate are capable of purging water-based and non-water-based paints and other coatings from automated and manual equipment using non-VOC containing aqueous purge solutions. Purge solutions of the invention contain water, detergent builder and wetting agents. The solution is maintained at a selected concentration and at a selected elevated temperature range by continuously recirculating the solution through the automated coating equipment. For manual equipment the solution is set at the correct concentration and maintained at the correct temperature range. For an automated system, spent purge solutions can be reconditioned and recirculated to avoid waste.

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