| 摘要 |
A tube bending device is capable of being carried and bending first and second tubes efficiently by housing a second bending part in a housing space of a first bending part. A tube bending device comprises: a first bending part(100) including a circular bottom part(110), a protrusion part(120) having a first bending groove(122) for bending a first tube, and a housing space(CS1) formed in the center of the first bending part; and a second bending part(200) on which a second bending groove having an outer diameter smaller than that of the first tube is formed to bend a second tube, which is housed in a housing space(CS2) when carrying the device, and which is disposed on the back side of the first bending part when bending the second tube.
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