A mail processing apparatus, includes an enclosure adapted for receiving deposited mail articles, a depository port adapted for passing deposited mail articles into the enclosure, and a sealing apparatus operatively associated with the depository port and adapted to seal deposited mail articles that...http://www.google.fr/patents/US6789727?utm_source=gb-gplus-shareBrevet US6789727 - Mail processing apparatus and collection box with a mail article sealer
Mail processing apparatus and collection box with a mail article sealer