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:
Mar. 24, 2015
Filed:
Dec. 19, 2012
Lisa A. Fanti, Hopewell Junction, NY (US);
Lloyd A. Brown, East Amherst, NY (US);
Serge M. Campeau, Lancaster, NY (US);
Ronald F. Spohn, Getzville, NY (US);
Murat Gunay, Niagara Falls, CA;
Lisa A. Fanti, Hopewell Junction, NY (US);
Lloyd A. Brown, East Amherst, NY (US);
Serge M. Campeau, Lancaster, NY (US);
Ronald F. Spohn, Getzville, NY (US);
Murat Gunay, Niagara Falls, CA;
Praxair Technology, Inc., Danbury, CT (US);
Abstract
A pressure indicating device for detecting and isolating leakage of toxic and/or pyrophoric gasses from within various packages is disclosed. The device can affix to a user port of a cylinder package. The device has a flexible disc-like structure which is fine tuned to outwardly flex in response to a build-up of pressure of the gas exerted against the disc-like structure. The flexed disc contacts a movable pin and pushes the push outwards from within the device. The outward movement of the pin pierces a paper seal extending over the device, thereby indicating a leak from within the valving of the package. The device withstands the pressure exerted against it, thereby also isolating the leak of the pressurized gas.