| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid injection gun for preventing the generation of liquid dripping by a simple constitution of reducing the number of parts, into which a nozzle set to communicate with the downstream side of a liquid passage is so installed on a gun main body with the liquid passage as to be inserted into an injection hole formed on a container to be injected and on which an on-off valve for opening and closing the liquid passage is provided. SOLUTION: The nozzle 6 is provided with a flow passage 28 having a first passage section 28a communicating with the downstream end of the liquid passage section 14 and a second passage section 28b having a diameter formed larger than that of the first passage section 28a and concentrically continued to the downstream end of the first passage section 28a, and an air opening 29 with an inner end opened on the inner face on the upstream end of the second passage section 28b and also having the outer end opened on the outer face of the nozzle 6 is provided at a slant on the nozzle 6 so as to be positioned on the downstream side along the liquid flowing direction 30 in the flow passage 28 as the air opening heads for the inside in the radius direction of the nozzle 6.
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