| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a push type dispenser capable of sufficiently preventing dripping, though the structure of the dispenser is simple. <P>SOLUTION: The push type dispenser 100 includes: a cylinder 2; a piston 3 which is slidably movable in the cylinder 2; a stem 4 which moves the piston 3 upward; a pipe shaft 5 which is attached to be integral with the stem 4, and moves the piston 3 downward; a nozzle head which is attached to the upper end of the pipe shaft 5, wherein liquid within the cylinder 2 is pressurized by the piston 3 to make the liquid flow in a space within the pipe shaft, and to discharge the liquid from the nozzle port of a nozzle head, and wherein the stem 4 is provided with a sealing large diameter portion 23 for sealing a portion between a space 12 in the cylinder and the space within the pipe shaft, in a step prior to raising the piston 3. <P>COPYRIGHT: (C)2012,JPO&INPIT |
