Conveying roller for photosensitive material and method of producing the same
US6851644B2 · kind B2 · utility
0Cited by
9References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 18, 2002 |
| Grant date | Feb 8, 2005 |
| Priority date | — |
| Expiry date | Sep 8, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49885
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Continuous photo film includes a support of resin film having a back surface. A photosensitive layer of photographic emulsion is disposed on a surface of the support opposite to the back surface. A conveying roller conveys the continuous photo film. The conveying roller includes a roller body of metal. A hardness reinforcer layer is formed on a surface of the roller body by thermal spraying of ceramic or cermet, so that the roller body surface is prevented from being scratched or ground by the back surface of the film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.