The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 12, 2017
Filed:
Jul. 23, 2013
Adixen Vacuum Products, Annecy, FR;
Julien Bounouar, Annecy, FR;
Julien Palisson, Sillingy, FR;
Philippe Bunod, Serraval, FR;
Sylvain Rioufrays, Le Fayet, FR;
Smail Hadj-Rabah, Annecy, FR;
ADIXEN VACUUM PRODUCTS, Annecy, FR;
Abstract
The invention concerns a detection method for checking sealed product packages for leaks, characterized in that it comprises the following steps: at least one previously sealed product () is placed in an air, nitrogen, or oxygen atmosphere, in a chamber () (step), the pressure in the chamber () is lowered to a secondary vacuum pressure below 10mbar and, while continuing the secondary vacuum pumping of the chamber (), the gases contained in the chamber are ionized to monitor the change in the chamber () of the concentration of at least one gaseous species of the gas volume contained within the sealed product () chosen from among nitrogen, oxygen, or argon, by analysis by optical emission or mass spectrometry (step).