Patent ID: 6921031

Claim:
An application head for applying liquid media to a length of material which is movable relative to the application head, the application head comprising: a housing having a cylinder chamber; a cylinder slide rotably drivably supported in the cylinder chamber; and a nozzle for ejecting the media, the nozzle being controlled by the cylinder slide and extending transversely to the direction of movement of the length of material, wherein the housing includes a plurality of supply bores extending from the cylinder chamber to the nozzle, and the nozzle forms a plurality of individual exit apertures which each communicate with one of the supply bores in the housing, and wherein the cylinder slide comprises a cylindrical surface which is able to seal from the inside the supply bores leading to the nozzle, the cylindrical surface of the cylinder slide comprising at least one surface groove which can be supplied with a liquid medium and which, as a function of the rotational position, is able to communicate with the supply bores leading to the nozzle, and wherein the at least one surface groove comprises at least one circumferentially continuous groove with variable widths in the cylindrical surface.