| 摘要 |
<p>PROBLEM TO BE SOLVED: To make the desired number of punched holes on a predetermined position of a sheet and make a plurality of punched holes by the driving load necessary for one punched hole, by rotating a punching means consisting of a punch and a die, and executing the punching on a plurality of parts on the sheet along the sheet conveying direction. SOLUTION: This sheet punch is constituted in such manner that a plurality of parts of sheets P and P' are punched along the sheet conveying direction X by a punching means 60 consisting of a rotatable punch 63 and a die 65. Whereby the predetermined number of punched holes can be formed on a predetermined position of the sheets P and P', and a plurlaity of punched holes can be formed by the driving load necessary for one punched hole.</p> |
