Device to dust flat moving products with powder e.g. for preventing colour mix freshly-printed paper

摘要

A device to dust moving flat products (1) has a closed housing (5) with a slotted outlet (6), a powder-dusting device (7) located inside the housing and a suction device (8) for surplus powder. The powder-dusting device is provided inside a suction chamber of the suction device. The suction chamber is surrounded by a blast chamber (17) and the latter opens out through the slotted outlet of the housing. The powder-dusting device is provided with a nozzle extending especially into the region of the slotted outlet. This outlet and/or the inlet of the suction chamber can be sealed off by a slider, plate, grill or something similar.