Airknife and vacuum control changes to improve sheet acquisition for a vacuum corrugated feed supply
US6554269B1 · kind B1 · utility
5Cited by
21References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2000 |
| Grant date | Apr 29, 2003 |
| Priority date | — |
| Expiry date | Oct 14, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2515/34
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A method of operating a vacuum corrugated belt feeder, which may or may not have a positive air pressure separator, during non-feed cycle time. “The result being” to separate a sheet from a sheet supply stack, which method comprises agitating the top sheets in the stack by actuating the vacuum and/or the positive air pressure separator during non-feed cycle time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.