Post-mix valve

Claim 1

A LIQUID MIXING AND DISPENSING DEVICE COMPRISING: (A) AN OUTER BODY MEMBER HAVING A CYLINDRICAL CHAMBER AND FRUSTO-CONCIAL CHAMBER CONTIGUOUS WITH AND MERGING INTO SAID CYLINDRICAL CHAMBER (B) AN INNER BODY MEMBER SLIDABLY POSITIONED WITHIN SAID CHAMBERS OF SAID OUTER BODY MEMBER, THE OUTER SURFACE OF SAID INNER BODY MEMBER BEING SPACED FROM THE INNER WALL OF SAID OUTER BODY MEMBER, (C) SAID INNER BODY MEMBER HAVING A FRUSTO-CONCIAL NOSE HAVING SUBSTANTIALLY THE SAME ANGLE OF TAPER AS THE TAPER OF SAID FRUSTO-CONCIAL CHAMBER, (D) SAID INNER BODY MEMBER HAVING A BORE EXTENDING AXIALLY THEREIN FOR A PORTION OF ITS LENGTH AND BEING OPEN AT SAID NOSE END, (E) NON-CARBONATED LIQUID CONDUIT MEANS EXTENDING THROUGH SAID OUTER BODY MEMBER AND INTO THE OPEN END OF SAID BORE OF SAID INNER BODY MEMBER, (F) A FLUID SEAL BETWEEN SAID CONDUIT MEANS AND THE WALL OF SAID BORE AND ARRANGED TO PERMIT RELATIVE AXIAL MOVEMENT OF SAID INNER BODY MEMBER AND SAID CONDUIT MEANS, (G) CARBONATED LIQUID CONDUIT MEANS EXTENDING INTO SAID OUTER BODY MEMBER IN THE REGION OPPOSITE THE END OF SAID NOSE, (H) SAID INNER BODY MEMBER HAVING A FLUID DELIVERY DUCT CONNECTING THE INNER END OF SAID BORE WITH THE SPACE BETWEEN SAID INNER AND OUTER BODY MEMBERS AND THEREBY PROVIDING A MIXING REGION FOR COMBINING CARBONATED AND NON-CARBONATED LIQUIDS, (I) VALVE MEANS IN SAID BORE FOR CONTROLLING THE PASSAGE OF NON-CARBONATED LIQUID TO SAID MIXING REGION, (J) AND A SECOND VALVE MEANS DOWNWARDLY OF SAID MIXING REGION FOR CONTROLLING THE DISCHARGE OF THE MIXED FLUID.