| 摘要 |
PROBLEM TO BE SOLVED: To prevent the occurrence of a processed piece when a cylinder is inserted into an end part member of a pressure buffer device.SOLUTION: A pressure buffer device 1 includes: a first cylinder 11 which stores an oil; and a bottom valve part 40 having an insertion part 412 inserted into a one-side end part 112 of the first cylinder 11 and attached to the one-side end part 112 of the first cylinder 11. Inclined parts (a bottom side inclined part 41t, a cylinder side inclined part 11t) which incline relative to an insertion direction are provided in at least one of the insertion part 412 of the bottom valve part 40 and the one-side end part 112 of the first cylinder 11. |
