Method of processing and stuffing an envelope
US5794409A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 30, 1996 |
| Grant date | Aug 18, 1998 |
| Priority date | — |
| Expiry date | May 30, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D27/00
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention is an envelope sheet capable of being automatically printed and formed into a standard business envelope using a high-speed separate sheet printer in line with high-speed separate sheet folding and pressure sealing equipment. The present envelope sheet comprises a front panel connected to a back panel along a bottom fold line, to a closing flap along a top fold line, to a left-side flap along a left-side fold line and to a right-side flat along a right-side fold line. The front panel, back panel, closing flap and both side flaps each have an upper surface and a lower surface. The back panel is adhered to the left-side and right-side flaps with a latent adhesive sandwiched therebetween. The present invention also includes a method and apparatus for automatically printing and forming an envelope from the present envelope sheet, as well as automatically stuffing the envelope while it is being formed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.