Patent ID: 6746538
Filing Date: 2004-06-08
Classification: B05C,G03G

Abstract:
An apparatus for coating at least one substrate with a fluid, the apparatus comprising at least one vertically-oriented diptank with a diptank top and a diptank bottom, the diptank defining an inlet at the diptank bottom and a vertically-oriented conduit with an orifice at the diptank top, the conduit including a plurality of horizontally-oriented layers of rounded objects suspended therein by means of an included suspending means, wherein the suspending means comprises at least two separate porous elements arranged in the conduit so as to provide an upper and lower porous element so that fluid supplied to the inlet at the diptank bottom flows upwards through the at least two porous elements and the plurality of layers of rounded objects and later continues to flow upwards to coat a substrate that is inserted through the orifice at the diptank top.