| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a pump for discharging a liquid without the entry into a housing the foams generated in a container. <P>SOLUTION: The pump 1 for discharging a liquid includes a pushing-down head 10 in which a discharge nozzle 11 moving up and down along with a cap substrate 2 attached to an aperture part of a container 101 is installed, a valve body 31 communicated with the discharge nozzle 11 in an upper end part and controlling on and off of the communication state, tubular bodies 27 and 28 movable up and down and elastically energized upward, a housing 5 communicated with the tubular bodies 27 and 28 and also communicated with the inside of the container 101 through a communication hole 37, and a switch valve 39 elastically energized by a coil spring 38 in the closing direction for controlling opening or closing of the communication hole 37. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
