| 摘要 |
<p>The presser has a cage (2) with a cylindrical wall (6) and end flanges (7), containing a supple membrane (8) covering half the cage's inner cavity to form a pressure chamber (11) and actuated by compressed air. The membrane has a tear strength under standard NFT 46002 of at least 35 MPa, and an elongation at rupture of at least 400 per cent.</p> |
