SPRAY GUN FOR DISCHARGING FOAM,IN PARTICULAR FOR FILLING CAVITIES WITH FOAM IN THE AUTOMOBILE INDUSTRY

摘要

The invention concerns a spray gun for the metered application of foam, especially for filling hollow spaces in the automobile industry, with an adapter component (2) connectable to a pressure vessel (3) for propellants and foaming agents and an operating lever (4) for releasing the foam, which has a metering chamber (8) to take a determined quantity of not yet fully expanded foam, a sealing component (12) which closes off the metering chamber (8) on the adapter side and is connected to an operating lever (4) via a control component (13), and a closing device (14) which closes off the spray gun on the nozzle side when the sealing component (12) is open and is connected via the control device (13) to the operating lever (4) so as to be operable in synchronism with the sealing component (12).