发明名称 |
Sealed packaging testing method e.g. for sealed food or medicine packagings |
摘要 |
The testing method detects pinholes in a sealed packaging (3) using a DC source (6) providing an electrical field applied to the electrically insulating packaging foil (2) enclosing an electrically conductive medium, which is earthed via an electrode (5) and an attached earth wire with an associated current detector, for detecting a discharge current.
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申请公布号 |
DE19845990(A1) |
申请公布日期 |
2000.01.13 |
申请号 |
DE19981045990 |
申请日期 |
1998.10.06 |
申请人 |
JOVEN DENKI K.K., TOYONAKA |
发明人 |
YASUMOTO, KENJI |
分类号 |
G01M3/40;G01N27/20;G01N27/61;G01N33/02;(IPC1-7):G01M3/40 |
主分类号 |
G01M3/40 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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