Vacuum envelope drive
US5911668A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 31, 1997 |
| Grant date | Jun 15, 1999 |
| Priority date | — |
| Expiry date | Dec 31, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB43M3/045
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An insertion station for inserting enclosure collations into an envelope, the insertion station including a deck and at least two transport belts having a top surface disposed atop the top surface of the deck for conveying an envelope along a direction of travel. A plurality of vacuum ports are arranged between the at least two transport belts wherein vacuum is continuously present at each vacuum port. An elongate rib member is provided upstanding from the deck and extending between the at least two transport belts and adjacent the plurality of vacuum ports, the rib member being configured to support a portion of the envelope that is disposed between the at least two transport belts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.