Mixing and dispensing device

Claim 1

A STORAGE, MIXING AND DISPENSING DEVICE FOR A TWOCOMPONENT MIXTURE COMPRISING: (A) A CYLINDER HAVING A DISCHARGE OPENING AT ONE END THEREOF AND A NORMALLY SEALED AIR INLET AT THE OPPOSITE END WITH A SNAP-OFF FITTING FOR OPENING SAID VENT; AND (B) A NORMALLY CLOSED PISTON DIVIDING THE CYLINDER INTO TWO CHAMBERS, SAID PISTON BEING FORMED OF A FIRST AND A SECOND DISC EACH HAVING HOLES THEREIN, SAID HOLES BEING IN REGISTRATION WHEN SAID DISCS ARE IN A FIRST POSITION AND FORMING A SOLID PISTON WHEN THE FIRST OF SAID DISCS IS ROTATED TO A SECOND POSITION RELATIVE TO THE SECOND OF SAID DISCS, THE FIRST OF SAID DISCS BEING OF A DIAMETER SLIGHTLY LESS THAN THE INTERIOR DIAMETER OF THE SAID CYLINDER AND THE SECOND OF SAID DISCS HAVING A CYLINDRICAL COLLAR SECURED AT RIGHT ANGLES THERETO AT THE EXTREME OUTER EDGE THEREOF, SAID COLLAR PASSING BETWEEN SAID FIRST DISC AND THE INTERNAL WALL OF THE SAID CYLINDER, SAID COLLAR HAVING AN INTEGRAL LIP PARALLEL TO THE SAID SECOND DISC EXTENDING FROM THE SAID COLLAR INWARDLY TOWARD THE CENTER OF SAID DISC WHEREBY SAID LIP AND SAID COLLAR TOGETHER WITH SAID SECOND DISC FORM A CHANNEL FOR THE RECEIPT OF SAID FIRST DISC, SAID FIRST DISC BEING LOOSELY SEECURED IN THE SAID CHANNEL FOR ROTATION RELATIVE TO SAID SECOND DISC, SAID FIRST AND SECOND DISCS BEING HELD IN A UNITARY RELATIONSHIP SOLELY BY MEANS OF SAID CHANNEL, SAID SECOND DISC HAVING AN INTEGRAL ROD AT THE CENTER THEREOF EXTENDING THROUGH THE END OF THE CYLINDER OPPOSITE THE DISCHARGE OPENING SAID ROD HAVING A HANDLE ON THE EXPOSED END THEREOF.