Patent ID: 9192976
Filing Date: 2015-11-24
Classification: B21D

Abstract:
1. An apparatus for forming a container body from a metal blank comprising: a ram centered about a longitudinal axis; a blank holder having an aperture through which the ram passes; an annular die substantially axially aligned with the ram and adapted to allow the ram to pass therethrough; an annular die holder having a recessed portion in which the annular die resides, the recessed portion having an annular, arcuate concave surface; an insert in the recess located between the annular, arcuate concave surface and the annular die, the insert separable from the annular die and supporting the annular die opposite an annular, arcuate, convex surface in operative engagement with the annular, arcuate concave surface and swivelable thereon; a plurality of ironing rings substantially axially aligned with the ram.