Patent ID: 9649647
Date: 2017-05-16
CPC Classifications: B05B,F17D

Claim:
1. A color changer, comprising a base module having at least two input channels; at least one output channel for paint material connectable to each of the at least two input channels; at least two paint valves, each of the at least two paint valves corresponding to one of the at least two input channels and configured to close the corresponding input channel and to be opened by the application of air pressure; and at least two pilot air channels, each of the at least two pilot air channels corresponding to one of the at least two paint valves and configured to convey air pressure to the corresponding paint valve to open the corresponding paint valve, wherein each of the at least two pilot air channels comprises a blow hole, each blow hole being arranged along a path; and a closing device configured to close each of the blow holes, the closing device comprising a plug, the plug being configured to close any of the blow holes and being movable along the path relative to the base module.