Extruded print cylinder
US4856428A · kind A · utility
15Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 1986 |
| Grant date | Aug 15, 1989 |
| Priority date | — |
| Expiry date | Nov 7, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41F15/0827
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A printing cylinder composed of extruded equally curved cylindric sections joined at the axial edges thereof, one of said sections having a channel recess to provide for a stock gripper assembly, the other sections having axial channels in the outer periphery closed at both ends by end members, with one end member providing a means of communication between groups of these axial channels for evacuation air flow, these sections and end members being surrounded by a perforate cylindrical jacket covering said channels, and journal support shafts on the ends.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.