| 摘要 |
<p>PROBLEM TO BE SOLVED: To solve problems, for example, in a case of handling related to putting in and taking out of a printing die for a cardboard or the like, when there are many large and heavy printing dies, and an insertion hole of the printing die rack is at a high place, one must gets on a stepladder, so that risk of work, labor load and working efficiency must be improved.SOLUTION: A socket C is provided on an insertion hole of the printing die rack, or the insertion hole is extended to a lower part so that one can put in and take out the printing die without getting on a stepladder. Therefore, safety of the work, easiness, and efficiency are improved.</p> |
