Patent ID: 6827780
Filing Date: 2004-12-07
Classification: B05B,B05C,B05D

Abstract:
Apparatus for applying powder to at least an interior surface of a hollow object, the apparatus comprising:a powder discharge device adapted to receive powder and discharge the powder through an outlet; an object holder configured to hold said object such that said outlet is positioned within the hollow object adjacent the interior surface; and a rotating mechanism configured to engage and rotate the hollow object about an axis of rotation such that powder discharging from the outlet coats the interior surface as the interior surface rotates past the outlet, wherein the outlet is oriented to discharge the powder In a direction transverse to the axis of rotation and normal to the outlet; wherein said powder discharge device further comprises a chamber, and said outlet is positioned in an upper portion of said chamber, said chamber adapted to receive and fluidize a bed of the powder to form a powder cloud discharging through said outlet.