B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
32/16.9
B05B 5/04 (2006.01)
Patent
CA 1177241
SHROUD AIR GENERATING STRUCTURE FOR ROTARY HEAD ELECTROSTATIC SPRAY COATING SYSTEMS Abstract of the Disclosure A shroud air generating structure for rotary head electrostatic spray coating systems of the type to which a rapid rotation is imparted to a rotary spray head and a jet of coating material to be sprayed directed thereagainst for discharge from a peripheral edge of the head in a spray, is characterized by an annular manifold for receiving air therein and having a plurality of outlet passages in an annular array therearound. The passages are unevenly spaced to compensate for air pressure variations within the manifold, and provide a uniform volumetric distribution of outlet air around the manifold. A cover extends across the manifold outlet passages, and air from the passages is directed through an annular opening defined by the cover to generate a shroud of air for movement, around, across and forwardly of the rotary head. The shroud air aids in moving spray particles toward articles to be coated, while the particular shroud air structure provides a very uniform volumetric distribution of the shroud air. Also, by virtue of the cover extending across the manifold passages, the passages are not subject to clogging by spray particles.
394910
Culbertson Samuel W.
Mcculloch Charles W.
Williams Keith G.
Binks Manufacturing Co.
Macrae & Co.
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