| United States Patent | 6,423,259 |
| Stewart , et al. | July 23, 2002 |
A corona discharge web conveyance roller (10) and process for finishing the surface (14) of the roller (10) with plateaus (30) and down features (22) adjacent to the plateaus. Interconnected channels (30) formed in the surface (14) of the roller (10) by overlapping down features (22) comprise at least 50% of the surface area while plateaus (30) comprise at least 20% to about 50% of the surface of the roller. Down features (22) have depths greater than about 12 microns but less than about 125 microns.
| Inventors: | Stewart; Arthur M. (Victor, NY); Rice; Brian S. (Fairport, NY) |
| Assignee: | Eastman Kodak Company (Rochester, NY) |
| Appl. No.: | 391027 |
| Filed: | September 7, 1999 |
| Current U.S. Class: | 264/400; 264/162; 219/121.69 |
| Intern'l Class: | B29C 035/08 |
| Field of Search: | 264/139,162,400,482 219/121.69 |
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