Electron beam sterilization method for bottle cap and electron beam sterilization device
A technology of electron beam and sterilization device, applied in the directions of bottle cap pretreatment, packaging sterilization, disinfection, etc., can solve problems such as corrosion of sterilization containers, and achieve the effects of increased processing speed, good sterilization, and reliable sterilization.
Inactive Publication Date: 2016-12-21
HITACHI ZOSEN CORP
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Embodiment
[0030] Embodiments of the present invention will be described below based on the drawings.
[0031] The bottle cap C has a closed surface Co formed on the top and an open surface Ci formed on the bottom. The electron beam sterilizing device for the bottle cap of the present invention makes the bottle cap C in a substantially horizontal posture with the cap axis passing through the center of the open surface Ci. It is dropped in a gas atmosphere such as air in a vertical direction, and irradiated with electron beams to sterilize.
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An electron beam sterilization method for a bottle cap has the following steps when a bottle cap (C) is sterilized by sequentially lowering the bottle cap (C) along a sterilization path (15e) in the vertical direction while the bottle cap (C) is oriented such that the cap axis thereof through the center of an opening surface is substantially horizontal, and radiating an electron beam on the bottle cap (C). First, in the sterilization path (15e), atmospheric gas is sucked through a suction hole (25) formed along the vertical direction in a guide wall, thereby drawing the closed surface of the bottle cap (C) toward the guide wall, and an electron beam is radiated on the opening surface of the bottle cap (C). Next, in the sterilization path, the atmospheric gas is sucked through the suction hole formed along the vertical direction in the guide wall, thereby drawing the opening surface of the bottle cap toward the guide wall, and an electron beam is radiated on the closed surface of the bottle cap.
Description
technical field [0001] The present invention relates to an electron beam sterilizing method and an electron beam sterilizing device for sterilizing a bottle cap attached to a bottle mouth by using an electron beam. Background technique [0002] Patent Document 1 discloses a technology in which a bottle cap is rotated around a horizontal axis passing through a concave portion, and dropped into a cylindrical vacuum container, and at least three electron beam generating devices arranged around the vacuum container pass through a window respectively. Electron beams are irradiated to the falling caps to sterilize them. [0003] Patent Document 1: Japanese Patent Publication No. 4380216 [0004] In Patent Document 1, since the posture of the bottle cap that rotates around the horizontal axis and falls is not stable when it rotates around the vertical axis in the falling direction, it is necessary to arrange three electron beam generators at intervals of 120 degrees relative to th...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B65B55/08A61L2/08B65B55/04
CPCB65B55/04B65B55/08B67B3/003A61L2/087A61L2202/23A61L2/08
Inventor 小川智小林慎平
Owner HITACHI ZOSEN CORP