发明申请
- 专利标题： Seal inspection apparatus and method
- 专利标题（中）： 密封检查装置及方法
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申请号： US11586390申请日： 2006-10-25
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公开(公告)号： US20080100288A1公开(公告)日： 2008-05-01
- 发明人: Eric Leung , Alexander Skulartz , Bob Aguero , Brad K. Menees , Francis Tan , Frank J. Harder , John Knapp , Tom Braydich
- 申请人： Eric Leung , Alexander Skulartz , Bob Aguero , Brad K. Menees , Francis Tan , Frank J. Harder , John Knapp , Tom Braydich
- 申请人地址： US NJ Camden
- 专利权人： Campbell Soup Company
- 当前专利权人： Campbell Soup Company
- 当前专利权人地址： US NJ Camden
- 主分类号： G01R33/14
- IPC分类号： G01R33/14
摘要：
A seal inspector and a method of inspecting a seal are described. A seal inspector includes an eddy current sensor for detecting changes in an eddy current within a lid seal of a can. The eddy current sensor includes a signal line for creating a magnetic field, which induces the eddy current. The induced eddy current generates a magnetic field that acts on the alternating current and as a consequence produces an eddy current response. A signal processing control unit receives the eddy current response and determines whether a value associated with the eddy current has surpassed a threshold value. If the associated value has surpassed the threshold value, the can may be ejected from a can conveyor system.
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