| 摘要 |
PROBLEM TO BE SOLVED: To provide a tube opening/closing device which is simply structured and can prevent the damage of a tube.SOLUTION: Stationary portions 4a, 4b which restrict the movement of a tube 3 in a longer direction and in a direction crossing the longer direction are fixed in a base 2. A pair of movable guide parts 5a, 5b and a pressing part 6 interlocked through link means 13 are formed between the stationary portions 4a, 4b on the base 2, each movable guide parts 5a, 5b is moved in a direction A approaching each other and the tube 3 is folded and blocked if the pressing part 6 moves in a projection direction C.SELECTED DRAWING: Figure 1 |
