Sheet transfer drum
US5701819A · kind A · utility
8Cited by
7References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 1, 1995 |
| Grant date | Dec 30, 1997 |
| Priority date | — |
| Expiry date | Sep 1, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41F21/10
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Sheet transfer drum mounted between printing units within side walls of a rotary printing press includes two gripper bars arranged symmetrically on a circumference of the sheet transfer drum so as to be located diametrically opposite one another on a y-axis of the sheet transfer drum; a drum body core formed with side surfaces extending between the gripper bars over the entire length of the sheet transfer drum within the circumference of the sheet transfer drum and having a convex curvature with a curvature gradient which is largest in the region of the x-axis and diminishes continuously towards the gripper bars.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.