| 摘要 |
<p>PROBLEM TO BE SOLVED: To finely adjust the interval between a plurality of needles by a simple constitution and an easy operation.SOLUTION: A punching device includes: a plurality of needles 2 arranged approximately in parallel at an interval in the radial direction; a deformable body 3 holding each part in the longitudinal direction of the plurality of needles 2, and contractible in the arrangement direction of the plurality of needles 2 according to an external force; and a pressing mechanism 4 capable of applying a pressing force in the arrangement direction to the deformable body 3, and changing the intensity of the pressing force.</p> |
