A processing apparatus for container blanks, with a machine bed, a feed device for feeding container blanks, a discharge device for removal of container blanks, a rotatably mounted rotary worktable with several locating devices designed for conveyance of container blanks along a circular orbit section shaped conveyance path, wherein the conveyance path determines a first circle segment shaped surface section, several operating devices lying opposite the rotary worktable in the radial direction, and at least one conveyor designed for conveyance of components of container blanks and/or for container blanks along a conveyor section between a component mounting and an assigned operating device. The component mounting of the conveyor is located in a second circle segment shaped surface section, which supplements the first surface section determined by the circular orbit section shaped conveyance path to make a full circle.