Carton blank erecter and feeder

摘要: A blank feeder is used for feeding blanks to a bottom forming mandrel. The are initially in flat form and unfoldable of square cross section. includes magazine the blanks, transport arrangement having path extending from delivery opening along circular arc central axis parallel widthwise direction opening. suction member, arm carrying member on forward end, shaft rotatably supporting an aligned with arc. has cups at different distances gripping one side blank, so that unfolded by movement causing greater separation gripped furthest end than nearest blank. An unfolding also provided, each while being transported, first second claws edge portions as individually engage opposite ends