Atomizer head for use with lowexpansion gaseous propellants

Claim 1

AN ATOMIZER HEAD PRIMARILY FOR USE IN CREATING A NEBULIZED SPRAY OF A PRESSURIZED PRODUCT EMERGING FROM A PRESSURIZED CONTAINER HAVING A MIXTURE OF SAID PRODUCT AND A LOW EXPANSION GASEOUS PROPELLANT THEREIN, SAID PACKAGE BEING OF THE TYPE IN WHICH THERE IS A VALVE MECHANISM INCLUDING AN INTERNAL VALVE PLUNGER HAVING A SOCKET WITH AN UPWARDLY EXTENDING VALVE SEAT, SAID VALVE SEAL BEING PRESSED AGAINST AN ANNULAR GASKET HAVING A PERFORATION TO SEAL THE INTERIOR OF THE PACKAGE WHICH COMPRISES: A PUSH BUTTOM HAVING AN INTEGRAL DEPENDING STEM ADAPTED TO BE INSERTED THROUGH SAID PERFORATION INTO SAID SOCKET AND ADAPTED FURTHER TO BE PUSHED TO UNSEAT SAID PLUNGER TO RELEASE THE CONTENTS OF SAID PACKAGE PAST THE SEAL, FORMED BY SAID VALVE SEAT AND SAID GASKET, A SWIRLER STRUCTURE IN THE PUSH BOTTON HAVING AN EXTERNALLY OPENING ORIFICE, A VERTICAL PASSAGEWAY OF UNIFORM CROSS-SECTIONAL AREA THROUGHOUT SUBSTANTIALLY ALL OF ITS LENGTH, SAID PASSAGEWAY BEING SITUATED IN THE INTERIOR OF SAID STEM, SAID STEM HAVING AN AXIALLY EXTENDING SLOT IN ITS SIDE WALL CONNECTED WITH SAID VERTICAL PASSAGEWAY, SAID VERTICAL PASSAGEWAY EXTENDING DOWNWARD TO COMMUNICATE WITH THE UPPER END OF SAID SLOT AND UPWARD TO COMMUNICATE WITH SAID SWIRLER STRUCTURE, SAID SLOT BEING EXPOSED AT ITS UPPER END FOR COMMUNICATION WITH SAID PASSAGEWAY WHEN SAID STEM IS DEPRESSED AND SAID VALVE SEAT IS UNSEATED TO PERMIT THE PRESSURIZED PRODUCT TO PASS INTO SAID PASSAGEWAY THROUGH SAID OPENING FORMED AT SAID UPPER END OF SAID SLOT, AND SAID PASSAGEWAY BEING OF BLADE-LIKE CONFIGURATION ALONG MOST OF ITS LENGTH AND HAVING A QUADRILATERAL CROSS-SECTIONAL CONFIGURATION WHOSE NARROWER DIMENSION IS OF THE SAME ORDER AS THE WIDTH OF SAID SLOT, MEANSURED HORIZONTALLY AT ITS EXTERIOR ENTRANCE.