| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid supplying device, in which the liquid supplying can be continued with a pump without stopping even in the case of exchanging a vessel for holding the liquid and also, the manual work and the time are not needed to the air venting in the piping. SOLUTION: To a flux can 11 for holding the flux, a sub-tank 14 as the tightly closed state for sucking the flux from the flux can 11 through a liquid supplying pipe 13, is arranged. In the sub-tank 14, a liquid surface sensor 15 for observing the height of the flux surface, is arranged. A negative pressure developing pump 16 for exhausting the air from the upper part of the sub-tank 14, is arranged. The flux is fed onto a flux spraying part 22 from the lower part of the sub-tank 14 with a constant quantity spouting pump 21.
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