Patent ID: 6668439
Filing Date: 2003-12-30
Classification: B21D,B65D,Y10T

Abstract:
An apparatus for forming a fold line in a gasket material for an aerosol mounting cup wherein said fold line yields a double-segment overlapping gasket comprising:a) a punch mounted on a reciprocating ram having a central opening for receiving the body of a mounting cup and a solid nose portion adapted to extend within the channel portion of a mounting cup; b) said nose portion having a downwardly and inwardly tapered outer surface terminating in an annular radiused sharp edge; and c) a step or shoulder in the inside diameter of the punch upwardly of the nose adapted to urge the gasket material disposed on the body portion of the mounting cup into the channel portion of the mounting cup whereat the sharp edge forms the fold line upon bottoming the punch against the gasket.