| 摘要 |
<p>A receiving part (11) having a pressure receiving face (11F) is provided in the through hole (10) of a container body (1), wherein the pressure receiving face has a tapered pressure receiving face (11A) and an outer receiving pressure regulating R face (11B) continuous to the forward end of the tapered pressure receiving face. A supply/discharge tube (13) being inserted into the through hole is provided with a flange part (14) having a pressurizing face (14F) which is provided with a tapered pressurizing face (14A) coming into face contact with the tapered pressure receiving face.</p> |
