| 摘要 |
A lubricator sump is provided to be efficiently maintained by opening an upper part of a manhole and easily pumping oil collected inside an oil collecting unit. A lubricator sump includes an oil collecting unit(7) and a pair of leg units(5). A sump(1) is laid on the ground under a lubricator. A manhole(3) connected to a bottom part of the lubricator is formed on a top part of the sump as one body. A slope part(9) is formed at a bottom surface of the sump. The oil collecting unit is formed at an end of the slope part so as to collect oil ran down the slope part. The pair of leg units are formed at an outer side of the bottom surface of the sump. The oil collecting unit projected to the outer side of the bottom surface and the pair of leg parts support a ground surface.
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