Method and apparatus for preventing machine damage
US6899027B2 · kind B2 · utility
4Cited by
21References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 31, 2001 |
| Grant date | May 31, 2005 |
| Priority date | — |
| Expiry date | Mar 17, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41F33/18
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
In a web-fed rotary printing machine having a plurality of cylinders rolling on one another, each cylinder is driven by a respective drive motor, and a control device synchronizes the motors to run at the same speed. The control device has stored therein a control program which can be activated in the event of a web break. The control program has an emergency stop ramp which brakes the motors to a standstill by jerked stop, preferably within five revolutions, the program driving the motors along the stop ramp in the event of a web break.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.