Dispenser valve

Claim 1

IN A DISPENSING TOP FOR AN AEROSOL CONTAINER HAVING AN OPEN UPPER END, AN ANNULAR MEMBER HAVING AN OUTER MARGINAL PORTION ADAPTED FOR MOUNTING UPON AND SEALED CONNECTION WITH THE UPPER END OF THE CONTAINER, AN INTERMEDIATE PORTION EXTENDING INWARDLY FROM SAID OUTER MARGINAL PORTION, AND AN INNER DEFORMED PORTION INCLUDING A REVERSE BEND PRESENTING AN UPPER, INWARDLY EXTENDING FLANGE DEFINING THE UPPER EXTREMITY OF AN OPENING IN THE MEMBER, A DOWNWARDLY EXTENDING WALL SECTION, AND AN INWARD BEND AT THE BOTTOM OF SAID WALL SECTION PRESENTING A LOWER FLANGE SPACED VERTICALLY BELOW SAID UPPER FLANGE AND DEFINING THE LOWER EXTREMITY OF SAID OPENING IN THE MEMBER; A SEPARATE CUP-SHAPED VALVE HOUSING HAVING AN OUTWARDLY EXTENDING ANNULAR, UPPER LIP FLANGE, A SIDE WALL EXTENDING DOWNWARDLY FROM THE LAST-MENTIONED FLANGE AND AN APERTURED BOTTOM; AN ANNULAR RESILIENT GASKET; MEANS MOUNTING SAID HOUSING IN THE OPENING OF SAID MEMBER WITH SAID GASKET SUPERIMPOSED UPON SAID LIP FLANGE OF THE HOUSING AND SAID GASKET AND LIP FLANGE CLAMPED IN SEALING RELATIONSHIP BETWEEN SAID UPPER FLANGE AND SAID LOWER FLANGE OF SAID MEMBER; AND VALVE MEANS MOUNTED IN SAID HOUSING.