| 摘要 |
<p>The press has a rotor (10) driven by a drive motor. Upper and lower sealing arrangements (26, 28) sealing a housing (24) have a sealing ring (32) inside the housing. The ring is axially movable between positions by a lifting device. The arrangements have a sealing section engaged with a sealing surface of the housing in the positions, Another sealing section is engaged with a sealing surface of an upper punch guide (12) in one of the positions with sealing force, and is engaged or disengaged with the latter surface in the other position. The ring is made of elastic material or elastomer.</p> |
