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:
Jun. 30, 2015
Filed:
Dec. 17, 2009
Applicants:
Lionel Le Gall, Villeurbanne, FR;
Pierre Chevalier, Lyons, FR;
Guillaume Ruiz, Bruges, FR;
Blaise Carles, Billere, FR;
Inventors:
Lionel Le Gall, Villeurbanne, FR;
Pierre Chevalier, Lyons, FR;
Guillaume Ruiz, Bruges, FR;
Blaise Carles, Billere, FR;
Assignee:
AREVA NP, Courbevoie, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L 55/10 (2006.01); F16L 55/11 (2006.01); F16J 13/02 (2006.01); F16J 13/12 (2006.01); F16J 13/14 (2006.01); F16L 55/132 (2006.01); F22B 37/14 (2006.01); G21C 13/06 (2006.01); G21D 1/00 (2006.01);
U.S. Cl.
CPC ...
F16L 55/11 (2013.01); F16J 13/02 (2013.01); F16J 13/12 (2013.01); F16J 13/14 (2013.01); F16L 55/1108 (2013.01); F16L 55/132 (2013.01); F22B 37/14 (2013.01); G21C 13/06 (2013.01); G21D 1/006 (2013.01); Y02E 30/40 (2013.01);
Abstract
A sealed stopper for an opening in a tubing for joining a chamber and a piping including a fastening ring is provided. The stopper includes a rigid bearing plate and a sealing member carried by the bearing plate, and includes a seal having a planar and flexible central portion with a reduced thickness extending below the bearing plate and a peripheral portion radially deformable by a central expander of the peripheral portion against the inner surface of the fastening ring.