Device for applying adhesive, sealant or coating substance - comprises two dispensers, alternately actuated for applying controlled vol. having control unit opening and closing outlet valves

摘要

The dispenser assembly has two, alternately actuated dispensers (6,7) which are both pref. coupled to a common material line (12) leading to the spray gun (13). Alternately, each dispenser may have an independent line to the spray gun. Typically each dispenser has an associated outlet valve controlled so that the spray gun can form a constant spray pattern. There is a control unit for the dispensers which opens the second valve before the first is closed so that for a time DELTA , both of the valves (10,11) are open. USE/ADVANTAGE - For applying PVC on the under side of car body etc.. It has a continuous work rate without idle time.