Patent ID: 6179169
Filing Date: 2001-01-30
Classification: B21D,B65D

Abstract:
In a mounting cup for a pressurized container having a bead defining the container opening, the mounting cup having a centrally disposed pedestal portion for receiving an aerosol valve, a profile portion extending radially outward from the pedestal portion, a body portion extending from the terminus of the profile portion distal to the pedestal portion and extending in a direction substantially parallel to the longitudinal axis of the mounting cup, said body portion emerging into a curvilinear-shaped channel portion having a skirt portion radially outward of the body portion, said mounting cup and the container bead being joined and sealed by the application of forces during a clinching operation; the improvement comprising disposing at least three radially-outward extending dimples equally spaced on the circumference of the body portion and at least three radially-inward extending indents equally spaced on the skirt portion of the channel portion; said dimples and indents being aligned relative to the longitudinal axis of the mounting cup.