Patent ID: 7169228

Claim:
An applicator for application of a substance onto a material comprising: a housing, said housing comprising: at least one housing inlet for the introduction of the substance into said housing, at least one housing channel in fluid communication with said housing inlet, and at least one housing outlet; a valve, said valve comprising: at least one valve channel being in fluid communication with said housing channel when said valve is in an open position, said valve channel not being in fluid communication with said housing channel when said valve is in a closed position, wherein said valve is translated in a linear motion to provide shuttering functionality, said valve channel in fluid communication with said housing outlet; and a nozzle, said nozzle comprising: at least one nozzle inlet in fluid communication with said housing outlet, and at least one nozzle outlet in fluid communication with said nozzle inlet for the extrusion of the substance onto the material, wherein said housing is comprised of at least two housing channels, said housing channels being symmetrically opposed such that a substance supply force exerted on said valve is reduced.