Material mixing and applying apparatus

Claim 1

IN A MATERIAL MIXING AND APPLYING NOZZLE, THE COMBINATION OF AN INNER WALL PROVIDING AN INTERNAL SUNSTANTIALLY CONICAL SURFACE, THE LARGER END OF SAID INNER WALL HAVING DISCHARGE PASSAGE MEANS, AN OUTER WALL PROVIDING AN INTERNAL SUBSTANTIALLY CONICAL SURFACE HAVING AN ENLARGED END PROVIDING A CIRCUMSCRIBING DISCHARGE EDGE, POWERED MEANS MOUNTING SAID WALLS FOR ROTATION ABOUT A COMMON AXIS CONCENTRIC TO SAID SURFACES WITH THE INNER SURFACE OF THE OUTER WALL RADIALLY SPACED FROM AND OVERLYING THE DISCHARGE PASSAGE MEANS OF THE FIRST WALL, MEANS INCLUDING FIRST AND SECOND CONDUITS FOR SEPARATELY DELIVERING FIRST AND SECOND MATERIALS, RESPECTIVELY, TO THE INNER SURFACE OF THE INNER WALL FOR MIXING AND CENTRIFUGAL DISCHARGE FROM THE DISCHARGE PASSAGE MEANS THEREOF ONTO THE INNER SURFACE OF THE OUTER WALL, AND MEANS INCLUDING A THIRD CONDUIT FOR DELIVERING A THIRD MATERIAL EXTERIORLY OF THE INNER WALL TO THE INNER SURFACE OF THE OUTER WALL FOR MIXING WITH THE FIRST AND SECOND MATERIALS AND CENTRIFUGAL DISCHARGE FROM THE DISCHARGE EDGE THEREOF.