| 摘要 |
An apparatus for cutting a web with a rotary cutter 31 includes a cutter drum 42, which has an air suction chamber 58 and air discharge chambers 59A and 59B, these chambers being formed in its inside, as well is having first air jet holes 71, second air jet holes 72, and third air jet holes 73, these air jet holes 71 to 73 being open in its outer periphery.
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