Method for the capacitive detection of flaws in polymer tubes, and device
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United States of America Patent
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Nov 16, 2010
Grant Date -
Oct 22, 2009
app pub date -
Sep 20, 2006
filing date -
Sep 22, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for detecting flaws in polymer tubes, especially tubes made of crosslinked polyethylene. The tube that is to be tested is exposed to the electric field of a capacitive triple electrode in a housing including a central housing part and housing flanges. The respective flaw generates test signals which are used for marking or eliminating the flaw.
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