Electrostatic assist rotogravure printing safety contact
US4966555A · kind A · utility
9Cited by
8References
35Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 24, 1989 |
| Grant date | Oct 30, 1990 |
| Priority date | — |
| Expiry date | Apr 24, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01R39/46
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rotary safety contact featuring dual brush contacts, contained within an isolating housing, shielded from the environment, purged with compressed air to prevent the entry of potentially explosive vapors, and adapted to be connected to a conductive cylinder/roller for electrostatic assist rotogravure printing is disclosed and described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.