An automated air filtration and drying method for uncured waterborne paint and industrial coatings are disclosed that provides for the drying of a product using recycled filtered air. In particular, a drying system is used along with a series of multistage dry-type filters to continuously exhaust contaminated...http://www.google.com.tw/patents/US5554416?utm_source=gb-gplus-share專利 US5554416 - Automated air filtration and drying system for waterborne paint and industrial coatings
