Patent ID: 8096156
Filing Date: 2012-01-17
Classification: B21D,B23Q

Abstract:
1. Apparatus for forming open ends of open-ended metal container bodies, said apparatus comprising: a plurality of movable holders separated by substantially equal spacings from each other, each holder being adapted to receive and temporarily retain an open-ended metal container body therein with an open-end of the container body exposed to allow forming thereof, said holders being adapted to move a plurality of said container bodies along a path in the apparatus; a first drive motor adapted to advance said holders in steps of advancement with pauses therebetween, each step producing an advancement that is the same for each step and is equivalent to a multiple of two or more of said spacings between said holders; at least one group of two or more tool sets fixed adjacent to said path and separated from each other along said path by distances equivalent to said spacings between said holders, each tool set being adapted for forming an open end of a container body aligned therewith, and each group having a number of tool sets that is the same as said multiple of said spacings employed for said steps of advancement.