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:
May. 09, 2023
Filed:
Sep. 15, 2021
Commissariat a L'energie Atomique ET Aux Energies Alternatives, Paris, FR;
Technetics Group France Sas, Saint Etienne, FR;
Laurent Guimet, Roche la Moliere, FR;
Michel Lefrancois, Saint Etienne, FR;
Etienne Boyer, Saint Priest en Jarez, FR;
Marin Tessier, Saint Paul Trois Chateaux, FR;
Jean-Jacques Darque, Launaguet, FR;
Bertrand Thevenon, Villars, FR;
COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, Paris, FR;
TECHNETICS GROUP FRANCE SAS, Saint Etienne, FR;
Abstract
A metal sealing system for a triple eccentricity butterfly valve includes a dynamic metal seal, having a metal core surrounded by an external coating; a metal case with an external surface that has an inclined conical shape, including a first housing inside which the dynamic metal seal is mounted; a metal cover fixed to the metal case to allow it to close by flush fitting of the upper or lower faces of the metal cover and the metal case, the metal case having a second housing into which the metal cover fits, the dynamic metal seal being located between the metal cover and the surface of the metal case defining the first housing.