Electron beam sterilizer
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United States of America Patent
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Issued Date -
May 5, 2011
app pub date -
Oct 28, 2010
filing date -
Oct 29, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
There is provided an electron beam sterilizer judging, in an electron beam irradiation zone, whether an electron beam amount to be irradiated to a resin bottle is proper or improper. The sterilizer includes an electron beam irradiator for irradiating the resin bottle with an electron beam through an irradiation window and a bottle conveyer for conveying the resin bottle, and the resin bottle conveyed in front of the irradiation window is irradiated with the electron beam to thereby sterilize the bottle. A beam collector is disposed in front of the irradiation window so as to oppose thereto. The beam collector is supported in an electrically insulated manner by an insulating member. When the electron beam irradiates the beam collector, an electric current flowing the beam collector is measured by an electric current measuring device. The measured electric current is compared with a predetermined reference value by a comparator, and a judging unit judges whether an amount of the electron beam irradiated to the resin bottle is proper or improper. In the judgement, when it is judged to be improper, the improper resin bottle and other resin bottles conveying before and after that resin bottle are removed by a reject unit in accordance with instructions from a command unit.
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