Apparatus for the non-destructive testing of the integrity and/or suitability of sealed packagings
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United States of America Patent
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Mar 31, 2015
Grant Date -
Oct 3, 2013
app pub date -
Mar 17, 2013
filing date -
Mar 27, 2012
priority date (Note) -
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Abstract
An apparatus for the non-destructive testing of the integrity and/or suitability of sealed packagings having at least one portion (111,121) at least partially optically transparent, preferably food packagings, in particular through a verification of conformity of the atmosphere inside such food packagings, wherein the apparatus comprises at least one inspection area (20); at least one laser source (11) with an optical axis (A); at least one detector (13) positioned so as to detect at least one portion of back-scattered beams (12′) following the collision of the laser beam (12) emitted by the laser source (11) with a target (100,200) and provide—at the output—a representative datum of an absorption spectrum of the gas. The apparatus includes means for measuring a distance covered by the laser beam (12) and electronic processing means for calculating the concentration of the gas.
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