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Process for testing the tightness of containers

  • US 7,647,818 B2
  • Filed: 12/02/2005
  • Issued: 01/19/2010
  • Est. Priority Date: 12/03/2004
  • Status: Expired due to Fees
First Claim
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1. A process for testing tightness of a tank comprising:

  • separating a first fluid in an interior space of the tank from a second fluid that differs from the first fluid surrounding the tank,producing a negative pressure in the interior space,inserting at least one probe, including a camera, into the interior space,testing interior surfaces of tank walls for traces of second fluid penetration by said at least one probe,localizing any points of entry of the second fluid,reproducing an image taken by the camera on a monitor, andsuperimposing the image on a virtual representation of a tank interior wall in order to localize any point of entry on the virtual representation.

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