| 摘要 |
A controlled deflection roll including a rotary tubular roll shell carried on a stationary shaft extending through the roll shell, the roll shell supported on the shaft for pressure engagement along a working face with an opposing member to form a pressing operation, the chamber between the shaft and roll shell being pressurized by fluid induced past a seal between the shaft and roll shell on the oncoming side of the pressure chamber such as by a specially shaped seal having a trailing lip and releasing pressure from the pressure chamber to maintain a predetermined pressure. |
