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1. 发明公开

EP1245494A4 METHOD AND DEVICE FOR INSPECTING SEALED PACKAGES 审中-公开
标题翻译： VERFAHREN UND VORRICHTUNG ZURPRÜFUNGVON VERRIEGELTEN VERPACKUNGEN
公开(公告)号：EP1245494A4
公开(公告)日：2003-04-09
申请号：EP00977936
申请日：2000-11-24
申请人： JOVEN DENKI KABUSHIKI KAISHA
发明人： YASUMOTO KENJI
IPC分类号： B65B57/00 , G01N27/20 , G01N27/92 , B65B57/02 , G01M3/40
CPC分类号： G01N27/205
摘要： While a sealed package (3) prepared by wrapping conductive contents (1) with an electric-insulation film (2) is being conveyed by two conveyors (4, 4), front and rear, a conductor (5) disposed on one side of a conveyance path (A) and at least one of two conductors (6, 6), front and rear, disposed on the other side are simultaneously contacted with opposed surfaces of the sealed package (3) being conveyed. In this state, a high voltage from a high voltage source (7) is applied to the sealed package (3), and a current detector (8) is used to detect whether or not a change in current is occurring in the portion which is in contact with the conductor (5) and the portion which is in contact with at least one of the two conductors (6, 6) so as to find pinholes in the sealed package (3). Whether or not there is a pinhole in at least one of the opposed surfaces in the portion of the sealed package (3) where the contents (1) exist can be detected by simultaneous inspection from both surfaces. Pinhole inspection can be effected by increasing the applied voltage.
摘要翻译：虽然通过用电绝缘膜（2）包裹导电内容物（1）制备的密封包装（3）正由前面和后面的两个输送器（4,4）传送，设置在一个侧面上的导体（5）传送路径（A）和设置在另一侧的前后两个导体（6,6）中的至少一个同时与被输送的密封包装（3）的相对表面接触。在这种状态下，来自高电压源（7）的高电压被施加到密封封装（3），并且使用电流检测器（8）来检测是否发生电流变化与导体（5）和与两个导体（6,6）中的至少一个接触的部分接触以便在密封封装（3）中找到针孔。在密封包装（3）的存在内容物（1）的部分中的至少一个相对表面中是否存在针孔可以通过从两个表面同时检查来检测。针孔检查可以通过增加施加的电压来实现。

2. 发明公开

EP1098191A4 INSPECTION METHOD FOR SEALED PACKAGE 审中-公开
标题翻译： PRÜFVERFAHRENFÜRGESIEGELTE VERPACKUNGEN
公开(公告)号：EP1098191A4
公开(公告)日：2003-01-22
申请号：EP99960690
申请日：1999-06-25
申请人： JOVEN DENKI KABUSHIKI KAISHA
发明人： YASUMOTO KENJI
IPC分类号： B65B57/02 , G01M3/40 , G01N27/20 , G01N27/24 , G01N27/61 , G01N27/92 , G01N33/02
CPC分类号： G01M3/40 , G01N27/205 , G01N27/61 , G01N33/02
摘要： An efficient method of inspecting a sealed package, in which a conductive article such as fluid and food is packed with an electrically insulating coat, for pin holes by using high voltage, which method providing an inspection capable of completely preventing, through a simple procedure, an erroneous operation due to moisture and other environments at inspection. The inspection method comprising the steps of charging an article (1) contained in a sealed package (3) by bringing a conductor (4) from a voltage output terminal of a dc high-voltage power supply (6) into contact with or close to a side surface (31) of the sealed package in which a conductive article (1) such as fluid is packed with an electrically insulating coat (2), connecting a lead (8) to a connection terminal (5a) of an electrode (5) in contact with or close to a detection portion (3a) of the package where pin holes are most likely to occur and grounding the lead, detecting by a discharge current detection device (7) a discharge current which flows from the detection portion (3a) only when a pin hole is present and detecting the presence of a pin hole by the presence of the discharge current, wherein, as an alternative, the package may be placed on a support electrode from an ac high-voltage power supply to charge the contained article for inspecting.
摘要翻译：本发明提供了一种用于检查用于针孔的气密密封包装的有效检查方法，其中当通过使用高电压检查其内容物如导电流体或食物的电绝缘膜被覆盖的气密密封包装时，可以以非常简单的程序实现检查，同时完全防止由于检查期间诸如湿度等气氛引起的误操作。在电绝缘膜2覆盖有诸如导电流体的内容物1的气密密封的封装中，从直流高压电源6的电压输出端导出的电导体4被接触或接近于密封包装体的侧面部31，密封包装体3内的内容物1通过该侧面部31通电。接下来，引线8连接到电极5的连接端子5a，电极5与最可能出现针孔的封装3的检查对象部分3a紧密接触或相对接近，引线8为接地。然后，通过放电电流检测器7检测从检测对象部3a导出的仅在存在针孔时产生的放电电流，根据放电电流检测器7是否存在检测针孔的存在或不存在当前。在该过程中，可以通过将封装放置在源自AC高压电源的支撑电极上并使内容物通电来进行检查。

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