B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
B05D 1/02 (2006.01) B05B 13/02 (2006.01) B05D 1/00 (2006.01) C23C 4/12 (2006.01) F02F 3/12 (2006.01) B05D 1/10 (2006.01) F02B 3/06 (2006.01)
Patent
CA 2055161
ME-4018 ABSTRACT OF THE DISCLOSURE In a method to spray a coating of uniform thickness onto a spinning disk, a point is located spacially on the spinning disk at a distance from the center equal to about half of a spray stripe width plus half of the disk radius. The spray stream is moved in a ring-shaped pattern centered at the point and having a perimeter defined at the stripe mid-line. The perimeter diameter is equal to the disk radius. The spray stream is moved around the pattern with successive speeds, namely a base speed for a semicircular outer zone at the periphery of the disk and a smaller inner zone at the center, and lesser speeds for intermediate zones. For a concentrically contoured disk, between the above cycles the spray stream is affixed perpendicularly to a slanted surface of the spinning disk for a time period sufficient to compensate for a thickness deficiency.
Osler Hoskin & Harcourt Llp
Perkin-Elmer Corporation The
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