Patent ID: 7399362

Claim:
An installation for powder coating of articles, the installation comprising: a) a coating booth, in which the articles may be arranged during the coating process, wherein the coating booth has walls and a bottom; b) a plurality of application devices for the powder coating, which may be arranged in the coating booth and which may act on the articles located therein; c) a sole collecting hopper arranged at the bottom of the coating booth and comprising an outlet opening; d) a recovery device for powder overspray, which in turn comprises: da) a collecting vessel for recovered powder coating; db) a separating device; and, dc) an extractor fan, which sucks the powder coating collecting in the sole collecting hopper through the outlet opening of the sole collecting hopper into the separating device; e) a rotary stand arranged in the coating booth, to which the articles may be attached and which may be rotated about a fixed position and about a substantially vertical axis; f) at least two application devices arranged in at least two different angular positions relative to the vertical axis of the rotary stand, wherein each of the application devices are chargable with a powder coating of a particular colour, and further wherein each angular position corresponds to a different powder coating colour; and, g) a plurality of recovery devices for powder of different colours is provided, which may be brought as desired into connection with the outlet opening of the sole collecting hopper when the application device of the corresponding colour is in use.