| 摘要 |
PROBLEM TO BE SOLVED: To provide a tube pump preventing the uneven wall thickness of tube and avoiding the transfer stop of transferred material. SOLUTION: A support part 8 is erectly provided at the boundary of a first recessed part 11 and a second recessed part 12 or an appropriate position in a boundary area which is an area slightly on the second recessed part 12 side from the boundary. An expansion and contraction prevention member 9 provided by forming a sheet shape member in a belt shape is attached to the support part 8. The expansion and contraction prevention member 9 is put between the tube T in the first recessed part 11 and a pressing member 7 in a section from the boundary area of the first recessed part 11 and the second recessed part 12 to part opposing to the tube T in the second recessed part 12 over the appropriate position of the first recessed part 11. COPYRIGHT: (C)2011,JPO&INPIT
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