Gun for spraying powder or fibrous material

Claim 1

AN ASSEMBLY FOR SPRAYING DRY MATERIAL ONTO A SURFACE COMPRISING, IN COMBINATION, A GUN DEFINING A CHAMBER HAVING ONE OPEN END AND ONE CLOSED END, AN OPEN CONTAINER OF DRY MATERIAL, A HOSE OPENING INTO SAID CHAMBER ADJACENT SAID CLOSED END AND EXTENDING DOWN INTO SAID MATERIAL IN SAID CONTAINER, A NOZZLE IN SAID CLOSED END OF THE CHAMBER, MEANS FOR PROJECTING A BLAST OF AIR THROUGH SAID NOZZLE SO AS TO DRAW SAID MATERIAL FROM SAID CONTAINER AND EJECT IT FROM SAID OPEN END, A PAIR OF WATER NOZZLES MOUNTED ON SAID GUN AND POSITIONED FOR DIRECTING OPPOSED, FAN SHAPED SPRAYS OF WATER ARCOSS SAID OPEN END OF SAID CHAMBER, SAID SPRAYS SUBSTANTIALLY COVERING SAID OPEN END, A HOOD ON SAID BODY FORMING UPPER AND LOWER EXTENSIONS OF SAID CHAMBER AND SURROUNDING SAID WATER NOZZLES SO AS TO CONTAIN SAID SPRAYS AND DEEPLY RECESS SAID WATER NOZZLES, AND MEANS FOR DIRECTING A FLOW OF WATER TO SAID NOZZLES.