Patent ID: 6122899
Filing Date: 2000-09-26
Classification: B43M

Abstract:
A method of automatically filling and sealing envelopes in preparation for labeling and stamping by using apparatus for supplying inserts for envelopes in a complete sequence, said method comprising the steps of:advancing envelopes one by one from a pile of envelopes with a front side of the envelope facing downwardly and with an envelope flap facing upwardly, said flap being closed but not sealed, said advancing being controlled by means selected from a group consisting of sensors, pulse generators, a stepping motor, or by mechanical means for enabling a filling of envelopes of various sizes,opening the flap of the envelope by a flap opener,advancing the envelope with its front side around a roller co-operating with a curved guide plate for changing the feed direction of the envelope by approximately 180.degree., thereby positioning the envelope with its front side facing upwardly and its reverse side facing downwardly,halting the envelope,ensuring that the envelope is open,introducing an insert selected from a group consisting of one document, a plurality of documents, or a CD-ROM, there being a straight line flow of inserts into the opened envelope,advancing the envelope to a sealing device,reversing the envelope and guiding its flap into a pocket,moistening and sealing the flap,reversing the envelope between sealing rollers with the flap closed,delivering the envelope with its front side facing upwardly, and labeling and stamping the envelope.