Patent ID: 7197793

Claim:
A former head with needle rollers of the kind used in dry formation of fibrous tissue, where a fibre material is supplied to the former head mixed with air via one or more injection nozzles, wherein the former head has at least one injection nozzle with regulating means at least one of the sides in the former head facing the longitudinal direction of a former wire, where the injection nozzle is placed in the entire width of the former head, where the former head at least one side of injection contains at least one first stationary needle roller, where a mixture of air and fibers is conducted to the former head from the injection nozzle at a level over the horizontal plane in which the center axis of the needle roller is situated, and directly onto the periphery of the needle roller, where the first needle roller is covered at the top side by an adjustable screen shaped like the periphery of the needle roller, and where the screen is equipped at the underside with means for separating fibers, and where the bottom of the former head is covered by needle rollers.