Current-conducting rollers
US5310467A · kind A · utility
0Cited by
1References
27Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 13, 1992 |
| Grant date | May 10, 1994 |
| Priority date | — |
| Expiry date | Oct 13, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25D7/0657
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention provides a current-conducting roller comprising a central portion constituting the main axial portion of the roller and two half-shafts extending respective ends of the central portion, each half-shaft comprising a steel body provided with an internal copper heat-shrink fitting itself provided with an internal protective bushing, wherein the internal copper fitting is placed in a blind bore of the steel body and wherein it is provided with a compressible gasket interposed between the end of the blind bore and the corresponding end of the internal copper fitting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.