Patent ID: 6619515
Filing Date: 2003-09-16
Classification: B29C,B65D,Y10T

Abstract:
In an aerosol tilt valve and mounting cup comprising a housing attached to the mounting cup; a stem having a hollow stem shaft and a stem cup; a sealing gasket surrounding the stem shaft and held in position against an under surface of the pedestal of the mounting cup; the stem cup having an outer circumferential edge normally biased against and fully engaging the sealing gasket when the valve is closed and the outer circumferential edge of the stem cup partially disengaging from the sealing gasket when the valve is tilted to allow product flow therebetween; the inner wall of the stem cup and the outer side wall of the stem shaft defining an annular space therebetween, the improvement comprising a separately molded stem shaft and stem cup, the stem shaft having a widened portion at its base and at least one lateral inlet metering orifice extending through the widened portion of the stem shaft from the annular space to the hollow opening in the stem shaft, the at least one lateral inlet metering orifice being positioned below an upper shoulder of the widened portion of the stem shaft and below an upper circumferential edge of the stem cup; an annular recess in the base of the stem shaft disposed below the lateral inlet metering orifice; and an annular projection extending from the inner surface of the stem cup and received in a bonded relation with the recess in the base of the stem shaft; and the base of the stem cup also being bonded to the side and bottom surfaces of the stem shaft below the annular recess.