| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem that when a cover doubling as a cup cover mounted on a liquid container mouth portion removed to measure the quantity of a liquid in the container, the liquid spilt out of the cup cover drips on the hands, on a floor or out of the liquid container. <P>SOLUTION: The cup cover 2 is mounted on the mouth portion of the liquid container 1, the upper portion of a piston cylinder 3 of a piston-type pump to be mounted on the center of the cup cover is composed of a flow changing plate 12, a disc spring 20, a cap nut 21, and a fixing ring 19, a plurality of liquid flowing holes from which the liquid flows into the piston cylinder in which the lower portion of the piston cylinder 3 is mounted on the bottom surface of the cup cover 2 by a ring nut 30 and air flowing holes are provided, ball valves 24 and 29 are arranged in the upper portion of the liquid flowing holes, a liquid flowing opening 23 making the interior of the piston cylinder lead to a measuring chamber is provided in the lower portion, and the flow changing plate 12 is provided with a plurality of flow changing holes, a liquid drainage pipe and an air inlet. <P>COPYRIGHT: (C)2013,JPO&INPIT |
