Pinch roller and pinch roller apparatus
US6769642B2 · kind B2 · utility
0Cited by
12References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2002 |
| Grant date | Aug 3, 2004 |
| Priority date | — |
| Expiry date | Apr 5, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2401/111
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A pinch roller which includes a cylindrical elastic body formed of a polymer blend including acrylonitrile butadiene copolymer rubber (NBR), and at least one of a highly saturated copolymer rubber containing nitrile group obtained by hydrogenating a butadiene part of said acrylonitrile-butadiene copolymer rubber, and ethylene-&agr;-olefin type copolymer rubber, and a resin sleeve press-fitted in the elastic body. The elongation of the elastic body is set to be at least 5% and not more than 15%. A pinch roller apparatus includes this pinch roller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.