Apparatus for codispensing a plurality of liquids

Claim 1

IN A DISPENSING VALVE HAVING MEANS FOR A FIRST FLUID MATERIAL TO ENTER A CHAMBER WITHIN THE VALVE, MEANS FOR A SECOND FLUID MATERIAL TO ENTER SAID CHAMBER AND THEREBY FORM A COMPOSITE OF SAID MATERIALS, AND MEANS FOR STARTING AND STOPPING THE FLOW OF SAID MATERIALS FROM THEIR SOURCES THROUGH SAID CHAMBER TOWARDS A COMMON OUTLET, THE IMPROVEMENT OF CONSTRUCTING SAID VALVE SO THAT IT HAS A RESILIENT TUBULAR SEAL AND A RIGID TUBULAR STEM FITTED COAXIALLY AND SEALINGLY IN SAID TUBULAR SEAL, THE LOWER PORTION OF SAID STEM COMPRISING A PORT IN THE STEM WALL AND A VALVE HEAD HAVING A LOWER FACE AND A LATERALLY EXTENDING ANNULAR SHOULDER, THE UPPER END OF SAID STEM COMPRISING AN OUTLET COMMUNICATING WITH SAID PORT, SAID TUBULAR SEAL HAVING A LOWER PORTION TERMINATING IN AN ANNULAR END FACE WHICH FORMS A BREACHABLE SEAL WITH SAID LATERALLY EXTENDING ANNULAR SHOULDER WHICH SEAL IS ADAPTED TO FUNCTION AS SAID MEANS FOR SAID FIRST MATERIAL TO ENTER SAID CHAMBER AND SAID MEANS FOR STARTING AND STOPPING THE FLOW OF SAID MATERIALS, AND HAVING AN INNER WALL DEFINING AN ANNULAR CHAMBER WITHIN THE VALVE WHICH SURROUNDS SAID TUBULAR STEM, COMMUNICATES WITH SAID OUTLET THROUGH SAID PORT, AND IS PARTITIONED BY SAID BREACHABLE SEAL FROM THE SPACE SURROUNDING THE LOWER PORTION OF THE TUBULAR SEAL,