Mandrel with multiple locking heads
US4917013A · kind A · utility
18Cited by
4References
1Claims
0Family size
Inventor
Key dates
| Filing date | Aug 31, 1988 |
| Grant date | Apr 17, 1990 |
| Priority date | — |
| Expiry date | Aug 31, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2404/136
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A mandrel for supporting printing sleeves and the like comprising a hollow cylinder with a multiplicity of expansion chambers axially spaced along the cylinder at its outer surface. Each chamber is closed by an expansion sleeve and connected to a separately controlled hydraulic line allowing each sleeve to be expanded independently of the others.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.