Master pattern cylinder
US4024045A · kind A · utility
3Cited by
4References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 4, 1976 |
| Grant date | May 17, 1977 |
| Priority date | — |
| Expiry date | Mar 4, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41C1/142
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A matrix usable for producing perforated nickel sleeves and the method for making the matrix. The matrix comprises a roller body and a sleeve detachably surrounding the roller body, the sleeve being provided with conductive and non-conductive portions. The mating surface between the roller body and sleeve is disclosed as frustum-shaped, and alternatively as a cylinder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.