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.

Date of Patent:
Jun. 29, 2010

Filed:

Dec. 17, 2003
Applicants:

Serge Le Cocq, Montigny le Bretonneux, FR;

Christophe Henault, Paris, FR;

Pierre-yves Gatt, Saint Symphorien sous Chomerac, FR;

Inventors:

Serge Le Cocq, Montigny le Bretonneux, FR;

Christophe Henault, Paris, FR;

Pierre-Yves Gatt, Saint Symphorien sous Chomerac, FR;

Assignee:

Areva NC, Paris, FR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 31/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A closed container with a tight and mechanically strong seal having two fastened-together metal elements including a body and a cover. The body is essentially a cylindrical or prismatic shape having a base with one or more axial walls and an open top axial end. The cover has a more or less complex shape having one or more walls to be positioned at the top axial end of the body facing the axial wall(s) of the body. The fastening of the metal elements is via a butt weld, advantageously with no filler metal. The internal structure at the weld line includes a docking guide having a groove provided with at least one degassing chimney, and a chamfered end above or below the weld line, on the wall. The body and/or the cover include(s) at least one blanked off degassing vent.


Find Patent Forward Citations

Loading…