APPARAT FUER DIE FERTIGUNG VERSIEGELTER UMSCHLAGZUSAMMENSETZUNGEN.

摘要

Apparatus for forming an assembly of sealed envelopes used as a postal mailer includes a main envelope processing unit for producing envelopes from the envelope-forming continuous sheet, and an intermediate element supply unit exchangably connected with the main envelope processing unit to supply the intermediate element to the main envelope processing unit. The main envelope processing unit including a stock of said envelope-forming continuous sheets; a device for continuously supplying said envelope-forming continuous sheets from said stock; a device for successively separating said envelope-forming continuous sheet supplied along said transverse weakening lines into discrete envelope units; a first feeder for feeding each of said discrete envelope units to an envelope folding and intermediate element inserting station; a folding operation unit in said envelope folding and intermediate element inserting station, said folding operation unit comprising a first folder for folding said discrete envelope unit along said first transverse folding line and a second folder for folding said discrete envelope unit along said second transverse folding line; a second feeder for feeding said intermediate element to said envelope folding and intermediate element inserting station.