Apparatus for removing contents of damaged aerosol containers

An apparatus for safely emptying aerosol spray cans filled with active ingredient and flammable gaseous propellant which have valve inserts for spraying the active ingredients comprising an explosion-proof casing with a cap, said casing being mounted in a table and being covered by a pivotable bonnet which in its closed position presses down a locking contact which blocks locking means controlling the opening of said bonnet, a discharge pipe connected to the lower end of said casing, a first valve means for venting the gaseous propellant from said discharge pipe to a suction channel, a second valve for draining off the liquid active ingredient from said discharge pipe to a collecting container, clamp means sealed in explosion-proof manner passing through the base of said casing and which is movable relative to said casing for breaking the seal between the spray can placed in said casing and its valve insert, and an automatic control circuit to control said first and second valves, said clamp means, and said bonnet.