Personalised data carrying assembly and method and apparatus for forming same

摘要

The invention concerns sealed mailer assemblies including return units made from individual pre- printed sheets (10) in a single production line and a method and apparatus for forming them. The sheets have their longitudinal edges (11) glued and are then formed with a plurality of transverse folds (17) so that the adjacent parts of the longitudinal edges are all secured together. The free transverse edge (12) is also glued down. Tear lines are formed within the glued edges so that on removal of the edge portions several separate pieces are provided. An end panel 13 is provided with adhesive (18) to enable it for form a return envelope or card. An ink jet printing unit is provided within the production line capable of forming accurately positioned personalised information on any data carrying part of each sheet.