MUMBAI, India, Nov. 21 -- Intellectual Property India has published a patent application (202517099020 A) filed by Pfeiffer Vacuum, Annecy, France, on Oct. 14, for 'detecting device and method for inspecting the seal-tightness of sealed products.'
Inventor(s) include Palisson, Julien; and Bunod, Philippe.
The application for the patent was published on Nov. 21, under issue no. 47/2025.
According to the abstract released by the Intellectual Property India: "A detecting device (1) for inspecting the seal-tightness of sealed products (2) comprises an enclosure (3) configured to receive at least one product that has been sealed (2) under a nitrogen-containing atmosphere, a turbomolecular vacuum pump (7), an ionized gas gauge (5), a buffer volume (8) fluidically connected to a chamber (12) of the ionized gas gauge (5), an isolation valve (9) interposed between the enclosure (3) and the buffer volume (8) and configured to put in communication or isolate the buffer volume (8) with/from the enclosure (3), a variable conductance restriction (10) interposed between the inlet of the turbomolecular vacuum pump (7) and the buffer volume (8) having a variable aperture, and a gas-injecting device (11) configured to inject a variable flow rate of substitution gas other than nitrogen into the enclosure (3) containing the sealed product (2)."
The patent application was internationally filed on Feb. 07, 2024, under International application No.PCT/EP2024/052991.
Disclaimer: Curated by HT Syndication.
