| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an injection head in which liquid dripping caused by the increase of the pressure inside a head body is prevented. <P>SOLUTION: In the injection head provided with a shut-off pin 4 for opening an injection port of a nozzle part 3 by sliding backward in linkage with the pushing action of the head body 2, the head body 2 is provided with a joint member 6 for forming a feed passage U for content with a stem 1 of a container. The joint member 6 comprises a cylindrical body 6a fitted with and held by the stem 1 of the container and a base 6b having a discharge pipe body 8 slidably worked in linkage at an inlet opening of the head body 2 and slidably worked in linkage with the cylindrical body 7 while keeping a liquid-tight state. <P>COPYRIGHT: (C)2009,JPO&INPIT |
