Sheet sensing device in a rotary printing press
US4127265A · kind A · utility
44Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 11, 1977 |
| Grant date | Nov 28, 1978 |
| Priority date | — |
| Expiry date | May 11, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2515/34
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Sheet sensing device in a rotary printing press having a sheet transferring drum provided at respective regions thereof with gripping means for gripping the leading and trailing edges of a sheet being transferred, includes sensing nozzles disposed in the region of the gripping means for gripping the trailing edge of a sheet, a line system connecting the sensing nozzles to a pneumatic pressure-generating source, and pressure monitoring means connected in the line system between the sensing nozzles and the pneumatic pressure-generating source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.