| 摘要 |
PURPOSE: To obtain a cap by which, after a container is filled with a sample liquid, air can be let out of the container without displacing the sample liquid wastefully. CONSTITUTION: This cap has a tubular housing 1, one end of which is gas-tightly fitted to an open end 53 of a container 50, the housing 1 is provided with check members 6, 75 fixed in the housing 1 between both end parts of the housing, and the check members are adapted to enable outflow of gas from the housing when the members are dry, and inhibit outflow of a liquid from the housing 1 when they are wet. |
