B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
32/16
B05B 5/043 (2006.01)
Patent
CA 1082911
A B S T R A C T An improved electrostatic spray charging device for spray guns is disclosed. The device comprises an adapter formed from a dielectric material in the shape of a generally cylindrical tube adapted at one end to be secured to the end of a conventional spray gun and con- structed at the second end to provide an inductive charging field for materials discharged by the spray gun. The second end of the adaptor is formed, in the preferred embodiment, into two diametrically opposed lobes, each of which carries on its interior surface at least one charging plate to which a d.c. voltage on the order of 10-20 KV is applied. The exterior surface of each lobe carries an electrically grounded electrode which preferably is annular in shape to provide an electric field configu- ration that prevents accumulation of charged spray particles on the exterior surfaces of the adapter.
245147
Borden Ladner Gervais Llp
Ppg Industries Inc.
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