| 摘要 |
The present invention is provided with: a rotating body (50) that rotates around a rotating shaft (21); a plurality of bottom parts (60) that are attached to the rotating body (50); a plurality of arm parts (70) that have rollers (75) which revolve around the rotating shaft (21) and press a tube (31), and that are attached to the plurality of bottom parts (60) respectively; and a position adjusting means (80) for adjusting the positional relationships among the plurality of bottom parts (60) in the radial direction of the rotation of the rotating body (50). |
