Method for testing bottles or containers having flexible walls, as well as a plant implementing it
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United States of America Patent
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Aug 24, 2010
Grant Date -
Feb 7, 2008
app pub date -
Jul 30, 2007
filing date -
Aug 1, 2006
priority date (Note) -
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Abstract
The present invention has as its object a method for testing bottles or containers having flexible walls, made to be inserted in lines for filling bottles made from plastic material or aluminum containers or containers made from polyethylene-coated paperboard, containing any type of liquid. Positioned at the output of the filling system it is able to simultaneously check for the correct fill level, the presence of possible leaks in the sealing system of the container and possible constructive defects in the container. The test is carried out through the combination of two measurement systems, which are the fill level test and the measurement of the tension of the walls of the container. The results obtained from the level and wall tension measurements, suitably interpolated, provide the indicators necessary to establish whether the product being analyzed should be considered suitable or else to be discarded since it is defective.
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