Patent ID: 7225839

Claim:
In a fill valve for use in an aerosol container, the fill valve being inserted in an opening in the bottom the container and movable to inject a propellant into the container to pressurize the container and facilitate dispensing of a fluent product from the container, the fill valve comprising: a bowtie section adapted to be inserted through the opening from the inside of the container to the outside of the container; a central section upwardly extending from the bowtie section, the central section adapted to extend through the opening along with the bowtie section; a backend section upwardly extending from the central section, the backend section having a diameter larger than the opening such that the backend section is retained in the container, the backend section having a circumferential sealing surface which seals the opening after the container is pressurized; the backend section further having at least one recessed section annularly formed on a top surface thereof between a center of the backend section and a peripheral rim of the backend section; and, at least one groove formed in the bowtie section and extending into the central section for propellant to be injected into the container through the groove to pressurize the container.