| 摘要 |
A jet solder tank having excellent maintainability, having no variation in the height of a jet, not damaging the rotating shaft of a jet pump, and capable of being stably used for a long period. The jet solder tank (1) has a tank body (1a) for containing molten solder (S), the jet pump (5) for sending out the molten solder (S), a jet nozzle (4) for jetting upward the molten solder (S) sent by the jet pump (5), a duct (2) having the jet pump (5) at one end and the jet nozzle (4) at the other end, an antioxidation body (22) having a predetermined size and floating on the surface of the molten solder (S), and engagement means (13) for restricting the antioxidation body (22) from rotating in a horizontal plane. The antioxidation body (22) has a surrounding body (28) extended downward from the center of the antioxidation body and surrounding the rotating shaft (10) with a gap in between, and also has inside it a cavity section (26) for creating buoyancy.
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