| Patent Number |
Title Of Patent |
Date Issued |
| 4356684 |
Batch method and apparatus for heating envelope edges to separate the envelope panels |
November 2, 1982 |
| A method and apparatus are disclosed for opening envelopes by applying an envelope material degrading chemical to the edges of the envelopes. The edges are contacted with a planar heating member and the envelopes are bent inwardly so that the edges are laterally displaced out of the plan |
| 4356683 |
Method and apparatus for holding and conveying a batch of envelopes to facilitate the opening of |
November 2, 1982 |
| A method and apparatus are disclosed for opening envelopes by chemically degrading the envelope material at the envelope edges. A chemical degrading agent which functions more effectively when heated is applied to the envelope edges. The envelopes are arranged and aligned in face-to-face |
| 4356679 |
Apparatus for applying a degrading chemical to envelopes |
November 2, 1982 |
| A method and apparatus is disclosed in which a plurality of envelopes are arranged and aligned in face-to-face relationship to form at least one batch of envelopes with at least a first edge of each envelope in the batch disposed substantially in a common plane and with a second edge of |
| 4354789 |
Method and apparatus for transferring envelopes |
October 19, 1982 |
| A method and apparatus is provided for transferring a batch of envelopes that have been arranged in face-to-face relationship. The envelopes are transferred in a substantially horizontal plane from a first location to a second location spaced from the first location. The apparatus includ |
| 4343392 |
Method and apparatus for feeding envelopes |
August 10, 1982 |
| A method and apparatus is provided for feeding envelopes in a linear array between upstanding conveyor flights and for transferring the envelopes, a batch at a time, to an elevated position for removal to a next processing station. Envelopes are subsequently received in a receiving cradl |
