| 摘要 |
PROBLEM TO BE SOLVED: To provide a feeding device for flushing medium for boring that easily adjusts the amount of water when feeding mist formed by mixing water with compressed air from a flushing medium feed conduit to a drifter, can suppress change in amount of water even when used for a plurality of drifters, and also eliminates the need for high-pressure water to be mixed with the compressed air.SOLUTION: A flushing medium feeding device 10 has a lubricator 20 for mixing water with compressed air supplied from upstream connected to a flushing medium feed conduit 11. |
