Patent ID: 6887013
Filing Date: 2005-05-03
Classification: B05B,E01C

Abstract:
1. A device for treating soils or road surfaces comprising a machine frame ( 1 ) carrying a working roll ( 4 ) in a working roll housing ( 8 ) and defining therewith a working space ( 6 ), the working roll housing ( 8 ) being provided with spraying means ( 10 ) for a binder or water and having at least one outlet nozzle ( 12 ) opening directly into the working space ( 6 ), a controllable closing means ( 18 ) having a closing element ( 22 ) which, in an open position, unblocks the outlet nozzle ( 12 ) and, in a first closed position, enters and closes the outlet nozzle ( 12 ), and the closing means ( 18 ) being further operative to trigger additional movement of the closing element ( 22 ) beyond the first closed position to a second closed position at which material accumulated in and/or beyond the outlet nozzle ( 12 ) is removed by the closing element ( 22 ).