| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent a fluid remaining inside a nozzle from being solidified, while facilitating an assembly of a pressing-down. <P>SOLUTION: A pressing-down-type fluid discharging pump is fitted with a pressing-down 35 having a nozzle 66 at the upper end portion of a stem 30 inserted into a cylinder 1 in an upwardly-biased condition. The pressing-down 35 is vertically divided into two members, an upper head portion 60 and a lower head portion 40. The upper head portion is slidably fitted onto the lower head portion in an upwardly-biased condition, and the lower head portion 40 is fitted onto the upper end portion of the stem 30 through an attaching tube 41. A nozzle closing member 50 projects from the lower head portion 40, and a base end of the nozzle 66 is vertically-movably fitted in the inner surface of the upper portion of the attaching tube 41. A tip end of the nozzle 66 contacts the nozzle closing member 50 so that the tip end is closed. By depressing the upper head portion 60, the tip end of the nozzle 66 is provided to be downwardly detached from the nozzle closing member 50 to discharge the fluid. <P>COPYRIGHT: (C)2008,JPO&INPIT |
