Method and apparatus for necking the open end of a container

This invention relates generally to a method and apparatus for necking containers and, more particularly, concerns a solid, expandable pilot member for supporting the interior surface of a two-piece beverage can during a necking operation. An apparatus for reducing the diameter of an open end of a container is claimed. The apparatus comprises a housing having a longitudinal axis. A die is supported in the housing about the longitudinal axis. A radially expandable pilot member is also supported in the housing. The radially expandable pilot member is selectively moveable between a contracted position and an expanded position relative to the longitudinal axis. The radially expandable pilot member comprises a plurality of forming members. A method which utilizes the apparatus is also claimed.