| 摘要 |
The tip has a cylindrical body (1) for receiving a hollow spherical floater (2), where the floater is mechanically stopped against an opening (5) of a top surface of the body in an upper position. The floater is pushed towards a lower position by exerting a pressure on a container so as to prevent the flow of fluid present in the body, when the body is filled with fluid. The flow of fluid from the container into the body raises the floater towards the upper position. |
