PROBLEM TO BE SOLVED: To provide a cutting-off apparatus which can perform both the cutting and perforating of a cutting object stably and relatively simply, which can omit space more than in the prior art, and which is easy in maintenance.SOLUTION: On the outer peripheral surface 2a of a cutter roll 2, there are formed: cutting blades 10 and 11 formed as a whole to extend continuously in the peripheral direction of said outer peripheral surface 2a and perforation blades 20 to 23 formed as a whole to extend in a peripheral direction of said outer peripheral surface 2a thereby cutting a cutting object 5 at a predetermined interval to thereby form perforations.COPYRIGHT: (C)2016,JPO&INPIT【課題】切断対象物の切断とミシン目の形成との両方を安定的且つ比較的簡易に行うことができ、また、従来に比べてスペースを省略することができ且つメンテナンスも容易な切断装置を得る。【解決手段】カッターロール2の外周面2aに、全体として該外周面2aの周方向に連続的に延びるように形成された切断刃10,11と、全体として該外周面2aの周方向に延びるように形成されて切断対象物5に対して予め定めた間隔で切り込んでミシン目を形成するミシン目刃20~23とを形成する。【選択図】図3