TN INTERNATIONAL Patent applications |
Patent application number | Title | Published |
20140035196 | Thermal-Conduction Element for Improving the Manufacture of a Package for Transporting and/or Storing Radioactive Materials - The invention relates to a thermal conduction element ( | 02-06-2014 |
20130312610 | DEVICE FOR TRAPPING FLAMMABLE GASES PRODUCED BY RADIOLYSIS OR THERMOLYSIS IN A CONTAINMENT - A device for trapping flammable gases such as hydrogen comprises active means ( | 11-28-2013 |
20130261367 | Long-Term Storage Device Including a Ventilated Storage Case Intended To House a Containment Case Containing Radioactive Materials - The invention relates to a long-term storage device ( | 10-03-2013 |
20130206361 | PACKAGING FOR TRANSPORT AND/OR STORAGE OF RADIOACTIVE MATERIALS, WHICH INCLUDE IMPROVED MEANS OF THERMAL CONDUCTION - The invention relates to a package ( | 08-15-2013 |
20120067761 | PACKAGING DEVICE FOR THE TRANSPORT AND/OR STORAGE OF A RADIOACTIVE MEDIUM - A packaging device for the transport and/or storage of a radioactive medium generating flammable gases and/or explosives via radiolysis, comprising a plurality of canisters intended to contain the radioactive medium, each canister defining an inner storage space accessible via an opening for filling the medium, on which plug-forming means are mounted. According to the invention, the device also comprises a structure forming a chamber, and means for placing in communication allowing a fluid communication to be set up between the inner storage space and the chamber. | 03-22-2012 |
20120007004 | CANISTER FOR TRANSPORTING AND/OR STORING RADIOACTIVE MATERIALS COMPRISING RADIALLY STACKED RADIOLOGICAL PROTECTION COMPONENTS - A canister for transporting/storing radioactive materials, comprising two concentric shells between which is housed a radiological protection device forming a barrier against gamma radiation, comprising a first and a second metal radiological protection components superimposed along a radial direction of the canister, the first component being supported against the outer shell and the second component being supported against the inner shell. In addition, the components are in contact with each other along an interface taking, in section along any plane integrating the longitudinal axis, the form of a straight line segment inclined in relation to this axis. | 01-12-2012 |
20110272603 | CANISTER FOR TRANSPORTING AND/OR STORING RADIOACTIVE MATERIALS CONFERRING ENHANCED HEAT TRANSFER - A canister for transporting and/or storing radioactive materials, the canister comprising two concentric shells between which is housed a radiological protection device comprising at least a first and a second metal components adjacent along a circumferential direction. According to the invention, the first component is supported against the outer shell and at a distance from the inner shell, whereas the second component is supported against the shell and at a distance from the shell. In addition, the components are in contact with each other along an interface taking, in section along any plane orthogonal to the longitudinal axis and crossing this interface, the form of a straight line segment defining with a radial straight line crossing it at its centre an acute angle (A). | 11-10-2011 |
20110142571 | METHOD FOR MANUFACTURE OF A PACKAGE FOR THE TRANSPORT AND/OR STORAGE OF NUCLEAR MATERIAL, USING THE PHENOMENON OF WELDING SHRINKAGE - A method for the manufacture of a package for the transport and/or storage of nuclear materials, where the package includes an inner ferrule, an outerferrule and means of thermal conduction, and where the method includes: the construction of an essentially circular casing having at least one lengthways slit defined by two facing lengthways edges; and the welding of the facing lengthways edges, in order to obtain the outer ferrule, where this step is accomplished such that the welding shrinkage causes a compression stress of the means of thermal conduction between the ferrules, in a radial direction, and such that each welding bead only fastens the two edges which it links one on to the other. | 06-16-2011 |
20110142189 | STORAGE RACK FOR FRESH OR SPENT NUCLEAR FUEL ASSEMBLIES - A storage rack for nuclear fuel assemblies, comprising a rigid structure defining a plurality of adjacent cells, and comprising in each cell a sleeve defining a cavity intended to receive a nuclear fuel assembly, the sleeve having, in cross-sectional orthogonal to the longitudinal direction, a generally polygonal shape whereof the sides are produced using plates made from a neutron-absorbing material. According to the invention, the sleeve also includes: profiles each forming a corner piece, arranged on at least several angles of said generally polygonal cross-section, these profiles serving as a mounting bracket for the plates made of a neutron-absorbing material; and a means for maintaining the profiles therebetween. | 06-16-2011 |
20110095208 | DEVICE FOR TRANSPORTING AND/OR STORING RADIOACTIVE MATERIALS AND FOR THE CONTROLLED RELEASE OF OXYGEN IN AN ENCLOSED HOUSING - The invention relates to a device ( | 04-28-2011 |
20100254785 | LONG-TERM STORAGE PACKAGE WITH REMOVABLE BASE - An overall to long-term storage package intended to receive a case containing radioactive materials, the package comprising a lateral body delimiting a housing for receiving the case, the package body being closed at its top end and at its low end respectively by a removable head cover, and by a package base. According to the invention, the package base takes the form of a removable base cover, allowing insertion of the case via the low end of the body. | 10-07-2010 |
20100179367 | Device For Cleaning And/Or Securing A Safe Containment Defined In A Device For Transporting And/Or Storing Radioactive Materials - A method for underwater packaging of radioactive materials includes creating a vacuum in a cavity of a cleaning device to automatically cause a portion of the cleaning device to move upward to actuate the cleaning device from an open position to a closed position; mounting the cleaning device inside a safe containment area of a transportation and/or storage device; placing the transportation and/or storage device in a pool after filling the safe containment area with water; loading a radioactive material into the safe containment area; closing the transportation and/or storage device using at least one cover; extracting the transportation and/or storage device from the pool; draining the water inside the safe containment area; and creating a pressure differential in the safe containment area to dry the safe containment area, wherein the pressure differential causes the cleaning device to automatically actuate from the closed position to the open position. | 07-15-2010 |
20100119029 | CONTAINER FOR THE TRANSPORT AND/OR STORAGE OF NUCLEAR MATERIALS, THE CONTAINER COMPRISING A MOBILE HEAT CONDUCTION STRUCTURE - A storage space device for the transport and/or storage of nuclear materials, comprising a main structure defining at least one housing intended to contain the nuclear materials and includes a mobile heat conduction structure forming at least one portion of a side outer surface of the storage space device. The mobile structure has at least one mobile heat conduction component mounted on the main structure so as to be displaceable reversibly from a retracted position to a deployed position while moving away from the structure. | 05-13-2010 |
20100104483 | Method And Device For Removing Inflammable Gases In A Closed Chamber And Chamber Equipped With Such A Device - Methods and devices for removing inflammable gases produced by radiolysis in a closed chamber containing radioactive matters comprising organic compounds and possibly water, or radioactive matters in the presence of organic compounds and possibly water. Inside the chamber there may be placed a catalyst of at least one reaction for oxidizing the inflammable gases by oxygen contained in the chamber atmosphere, supported by an inert solid support; a catalyst of at least the reaction for oxidizing CO to CO | 04-29-2010 |
20090304137 | Package Serving to Accommodate a Case Containing Radioactive - The invention concerns a cask ( | 12-10-2009 |
20090172961 | Device To Monitor the Position of an Assembly Containing Nuclear Fuel In a Storage Basket Housing - The invention relates to a monitoring device ( | 07-09-2009 |