The invention relates to a method for assembling a stack (10) consisting of single or multilayered pre-products (1115) of equal or different sizes, said pre-products lying freely one on top of the other, wherein the stack (10) has two outer pre-products (11, 15). According to the method, the stack (10) is given a cohesion that facilitates later handling. The cohesion is achieved in a very simple and flexibly applicable manner by providing the slack (10) to be assembled in a first step, said stack consisting of pre-products (11-15) that lie freely one on top of the other, and by attaching at least one connecting element (17) to an edge (16) of the stack (10) in a second step such that said element overlaps the two outer pre-products (11, 15) of the stack (10) in a clamping manner.

The invention relates to the technical field of bill management, in particular to a bill binding and encoding device and a classification filing system, wherein the bill binding and encoding device comprises: a bottom plate, a movable encoding mechanism and ink ribbon spools; wherein a sliding rail is provided on the bottom plate; a positioning rack is provided on one side of the sliding rail, and a plurality of positioning teeth are provided on the positioning rack along the length direction of the sliding rail; the sliding block is provided with a positioning claw which is provided in rotational connection with the sliding block through a rotating shaft; and a encoding groove is provided on the one side of the sliding groove, and the length direction of the encoding groove is parallel to the length direction of the sliding rail.