Mixing head

Claim 1

A SPRAY HEAD FOR CONTAINING A PLURALITY OF ADDITIVE FLUIDS AND ADAPTED FOR USE WITH A PROPELLANT CONTAINER OF THE AEROSOL BOMB TYPE HAVING A DISCHARGE VALVE BIASED TO A CLOSED POSITION FOR THE PROPELLANT FLUID, SAID SPRAY HEAD INCLUDING A HOUSING HAVING A VERTICAL SIDEWALL WITH A SPRAY APERTURE IN ITS LOWER PORTION AND ATTACHING MEANS FOR RIGID ATTACHMENT TO SAID CONTAINER, VALVE MEANS MOUNTED FOR VERTICAL MOVEMENT ONLY IN THE LOWER PORTION OF SAID HOUSING AT SAID SPRAY APERTURE AND HAVING A BOTTOM SOCKET FOR SNUGLY RECEIVING SAID VALVE AND HAVING TOP SEAL MEANS, SAID VALVE MEANS HAVING A PROPELLANT DUCT EXTENDING FROM SAID SOCKET TO SAID SPRAY APERTURE AND A FIRST ADDITIVE DUCT EXTENDING FROM SAID TOP SEAL MEANS TO SAID SPRAY APERTURE, A SEAL DISK MOUNTED IN A FIXED POSITION IN SAID HOUSING HAVING A TOP SURFACE AND A BOTTOM SEAL MEANS VERTICALLY ALIGNED FOR SEALING ENGAGEMENT WITH SAID TOP SEAL MEANS AND HAVING A SECOND ADDITIVE DUCT EXTENDING FROM SAID BOTTOM SEAL MEANS TO SAID TOP SURFACE, A CUP MOUNTED FOR NON-VERTICAL MOVEMENT ONLY IN THE UPPER PORTION OF SAID HOUSING AND HAVING WALL MEANS DEFINING A PLURALITY OF DISCRETE ADDITIVE FLUID COMPARTMENTS IN SAID CUP, EACH COMPARTMENT HAVING A BOTTOM WALL WITH AN ADDITIVE OPENING THERETHROUGH, SAID SEAL DISK AND SAID CUP BEING MOUNTED IN SAID HOUSING TO ENABLE MOVEMENT OF A SELECTED ADDITIVE OPENING TO A DISCHARGE POSITION WITH SAID SECOND ADDITIVE DUCT AND TO PROVIDE A FLUID SEAL BETWEEN THE TOP SURFACE OF SAID SEAL DISK AND THE BOTTOM WALL OF THE CUP, AND VENT MEANS PROVIDING A VENTING FLOW PATH TO THE SELECTED COMPARTMENT WHEN IN SAID DISCHARGE POSITION.