| 摘要 |
The present invention provides a shaft seal completely prevents a seal element from being rotated and separated. According to the shaft seal, the seal element (3) and a gasket (10) are used as members to be gripped by an outer case (7) and an inner case (6). A protrusion unit (5) is installed on an insertion pressure surface (4) of the member to be gripped of the inner case (6) to partially increase gripping surface pressure of the seal element (3). |
