PROBLEM TO BE SOLVED: To provide a container sterilization method that reduces a stop time of an electron beam irradiation device and enables a continuous operation.SOLUTION: An electron beam is irradiated to substantially identical surfaces F to be sterilized on the outer surfaces of containers B from a plurality of first upstream electron beam irradiation devices 21 and first downstream electron beam irradiation devices 22 installed on upstream and downstream sides of a container conveyance path L3 at predetermined intervals, and a total of electron beam output irradiated from the upstream electron beam irradiation devices 21 and the downstream electron beam irradiation devices 22 is controlled by a sterilization controller so as to sterilize the surfaces F to be sterilized of the containers B.COPYRIGHT: (C)2015,JPO&INPIT【課題】電子線照射装置の停止時間を短縮して連続運転が可能となる容器滅菌方法を提供する。【解決手段】容器搬送経路L3の上流側と下流側に所定間隔をあけて設置された複数の第1上流側電子線照射装置21および第1下流側電子線照射装置22から、容器B外面の略同一の被滅菌面Fに電子線を照射し、滅菌コントローラにより、これら上流側電子線照射装置21と下流側電子線照射装置22から照射される電子線出力の合計を、容器Bの被滅菌面Fを滅菌可能となるように制御した。【選択図】図2
