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:
Aug. 30, 2005
Filed:
Oct. 26, 2000
Paul Kremer, Walferdange, LU;
Denis Giraud, Villerupt, FR;
Paul Kremer, Walferdange, LU;
Denis Giraud, Villerupt, FR;
Luxembourg Patent Company S.A., Luxembourg, LU;
Abstract
A high pressure valve for oxygen service comprises a valve body () with a gas passage () and a valve seat () associated with the gas passage (). An obturation unit () is movable between a first position, wherein it is spaced from the valve seat (), and a second position, wherein it is seated on the valve seat (). This obturation unit () has a sealing surface () that is in sealing contact with the seat surface () in said second position of the obturation unit (). A metallic sealing element () and a synthetic sealing element () co-operate to form the sealing surface (). The metallic sealing element () forms the sealing surface () around said inner border of the seat surface (), and the synthetic sealing element () forms the sealing surface () towards the outer border of the seat surface ().