EP2814754A1 - Closure device for containers for transporting radioactive substances - Google Patents
Closure device for containers for transporting radioactive substancesInfo
- Publication number
- EP2814754A1 EP2814754A1 EP13704126.5A EP13704126A EP2814754A1 EP 2814754 A1 EP2814754 A1 EP 2814754A1 EP 13704126 A EP13704126 A EP 13704126A EP 2814754 A1 EP2814754 A1 EP 2814754A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- closure device
- bolt
- comb
- head
- closure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000941 radioactive substance Substances 0.000 title claims abstract description 8
- SANRKQGLYCLAFE-UHFFFAOYSA-H uranium hexafluoride Chemical compound F[U](F)(F)(F)(F)F SANRKQGLYCLAFE-UHFFFAOYSA-H 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000010008 shearing Methods 0.000 abstract 1
- 230000006870 function Effects 0.000 description 8
- 238000004806 packaging method and process Methods 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 3
- JFALSRSLKYAFGM-OIOBTWANSA-N uranium-235 Chemical compound [235U] JFALSRSLKYAFGM-OIOBTWANSA-N 0.000 description 3
- 229910052770 Uranium Inorganic materials 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/06—Details of, or accessories to, the containers
- G21F5/12—Closures for containers; Sealing arrangements
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C1/00—Fastening devices with bolts moving rectilinearly
- E05C1/004—Fastening devices with bolts moving rectilinearly parallel to the surface on which the fastener is mounted
- E05C1/006—Fastening devices with bolts moving rectilinearly parallel to the surface on which the fastener is mounted parallel to the wing edge
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/015—Transportable or portable shielded containers for storing radioactive sources, e.g. source carriers for irradiation units; Radioisotope containers
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/06—Details of, or accessories to, the containers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T292/00—Closure fasteners
- Y10T292/08—Bolts
- Y10T292/096—Sliding
- Y10T292/1014—Operating means
Definitions
- Locking device for containers for transporting radioactive substances
- the invention relates to a closure device, in particular for containers for the transport of radioactive substances, having a first and a second component, each having a comb-like portion, wherein the comb-like portions are interspersed with locked closure device by a bolt element.
- the invention relates to an arrangement for the transport of in particular uranium hexafluoride, comprising an outer container composed of a first and a second shell, wherein the shells are lockable via at least one closure device having a first and a second component, each having a comb-like portion, wherein the comb-like portions are interspersed with a locked closure device by a bolt element.
- the invention relates to a closure device or a closure system of containers for the transport of radioactive substances, the
- Uranium hexafluoride is transported in cylindrical steel containers. These containers are specified in ISO 7195 "Packaging of Uranium Hexafluoride (UF 6 ) for Transport” or in ANSI N14.1 "Uranium Hexafluoride - Packaging for Transport”. During transport, these containers must meet the requirements of TS-R-1 "Regulations for the Steel containers for uranium hexafluoride with an enrichment of more than 1% Uranium-235 uranium-235 in uranium are enclosed in a protective container during transport in order to ensure compliance with the requirements of International Transport Safety Steel containers, protective containers and the contents of uranium hexafluoride constitute a package within the meaning of the regulations.
- the required protective function is provided by a protective packaging that completely surrounds the steel cylinder filled with uranium hexafluoride.
- the protective packaging consists of inner and outer shell z. B. made of sheet metal, the shock absorption and thermal insulation z. B. enclose foam.
- the protective packaging is divided into a lower and upper half-shell to enable loading and unloading. The two half-shells shall be interlocked by means of a closure which ensures the sealing function in the above-mentioned tests in accordance with items 1 to 5.
- the transport of the packages is usually carried out by means of 20 'ISO flatracks, which are equipped on the bottom side with suitable carriers.
- 20 'ISO flatracks which are equipped on the bottom side with suitable carriers.
- each up to 4 packages are bolted with their longitudinal axis aligned transversely to the direction of travel on the carriers.
- the empty protective packaging is delivered bolted to flatracks at the suppliers of cylinders filled with uranium hexafluoride. There, preferably only the upper half shells are removed, the lower half shells loaded with the cylinders and the upper half shells reassembled.
- the lower half shells remain firmly mounted on the flatracks. Due to the dimensions, the distances between the individual half-shells are limited to a few cm.
- a classic locking system consists of screw and nut. This has been used for decades for the specified purpose. At the top and bottom shell each more devices are attached to the outside, which are braced against each other by a respective bolt with nut.
- the "screw and nut" design meets the safety requirements without restrictions, but the handling is difficult and time-consuming, since greater torques have to be applied to ensure the closure function, and in particular in tight spaces, the application of this torque is not guaranteed
- Locking systems are actuated by eg impact wrenches, which leads to high wear and correspondingly high repair costs, however opening of the locking system is also possible with simple hand tools, so that even unauthorized persons could gain access to the transported goods.
- Another locking system includes pins with split pin / ball lock pins.
- This closure system has been used for packaging closures for decades.
- Ball lock pins are regularly used in the aerospace industry. It consists of a central part with a hole, over which a forked or tubular part with a suitable bore is slipped.
- a locking device with bolts and forks for securing a lid of a shielding container is the DD-A-150 811 refer to.
- the present invention has the object, a closure device and an arrangement of the type mentioned in such a way that damage by mechanical shock and shear stress is omitted, a sufficient tolerance between the closure device forming elements is given to allow a low-maintenance operation, without, however, disadvantages in terms of locking must be taken into account.
- closure device should be able to be handled in a simple manner and economically by a person. At the same time, however, it should be ensured that unauthorized persons can not readily open the closure device.
- a closure device of the aforementioned type is characterized in particular by the fact that the bolt element has a head with at least one receiving recess running transversely to the longitudinal axis of the bolt element, that at least one of the components has a passage opening, the bolt passing through the comb-like sections on the at least one receiving recess is aligned, and that when the locking device is locked in the through hole, an element is fixed, which extends partially in the recess.
- the head of the bolt has a flat geometry and has in section rectangular head portions which extend symmetrically to the longitudinal axis of the bolt and protrude beyond the circumference of the bolt, and in that each component has a preferably groove-like recess which accommodates one of the head sections.
- a receiving recess is provided in each head section, so that always a receiving recess is aligned with the passage opening, when the shank of the bolt passes through the comb-like structure, so their aligned aligned holes.
- the element fixed in the passage opening is preferably a screw element which can be screwed into the passage opening.
- the screw should have a coded head to make it difficult for unauthorized persons opening at least.
- Each component has in particular a cuboid or block geometry, wherein the comb-like section originates from a first longitudinal side or is designed as such.
- the passage opening then starts from the longitudinal side of the component, which lies opposite the first longitudinal side.
- closure blocks which are resistant to mechanical shock and shear stress
- the block or cuboidal components which may also be referred to as closure blocks may consist of solid steel parts and the bolt and its security within the contour the relevant massive components lies.
- the closure blocks the interaction between the holes passing through the comb-like structure and the bolt, and the groove-like recesses receiving the head portions of the bolt, can be grossly tolerated without detriment to the function. As a result, a low-maintenance operation is guaranteed.
- the fixing so the screw that performs the function of a locking screw, must be tightened only with low torque because the essential closure function is provided by the connection between the comb-shaped structure and the bolt.
- the closure device can be handled by a person due to the construction according to the invention.
- the locking screw can be tightened and loosened by means of a simple hand tool.
- the bolt itself can be pulled out or inserted manually.
- a coded screw head of the securing screw prevents opening of the closure device by persons who have no access to the coded tool.
- An arrangement for the transport of preferably uranium hexafluoride of the type mentioned above is characterized in that the bolt element has a head with at least one receiving recess extending transversely to the longitudinal axis of the bolt element, that at least one of the components has a passage opening, the bolt passing through the comb-like sections the at least one receiving recess is aligned, and that, when the closure device is locked, an element is fixed in the passage opening and extends in regions in the receiving recess.
- 1 is a plan view of a closure device
- FIG. 2 is a front view of the closure device according to FIG. 1, FIG.
- FIG. 4 is a plan view of the closure device of Fig. 1,
- FIG. 5 shows an isometric view of the closure device according to FIG. Fig. 1, partially in exploded view
- Fig. 6 is a schematic representation of a transport container with closure devices.
- FIG. 6 shows a schematic illustration of a container 110 for transporting, in particular, radioactive substances such as uranium hexafluoride, it being possible to provide a structure as can be deduced from WO-A-2010/043534.
- the outer container 110 consists of two shells 112, 114, which can be locked for transport via locking devices 116, 118, 120. From the drawings, it can be seen that the locking devices are arranged on longitudinal sides of the container 110, without this being limited by the teaching according to the invention. Also, more or fewer than the three closure devices 116, 118, 120 may be present along each longitudinal side.
- FIGS. 1 to 5 show, purely in principle, the structure of one of the closure devices 116, 118, 120, which have an identical construction.
- the corresponding closure device which is identified in FIG. 1 by the reference numeral 10, consists of two block-like components 12, 14 which along each longitudinal side 16, 18 have a comb-like portion 20, 22 to form a comb-like structure.
- the comb-like projections of the comb-like structures 20, 22 are in alignment with composite components 12, 14 into one another bores 24, which are penetrated by a bolt 26 when the locking device 10 is locked.
- the bolt 26 has a non-threaded shaft 28 and a head 30 which has a rectangular geometry in longitudinal section and has over the peripheral surface of the shaft 28 protruding head portions 32, 34, each having a transversely to the longitudinal axis of the bolt 26 extending receiving recess 36, 38.
- an opening 40 is further provided to the bolt by means of z. B. a tool especially when pulling out of the closure device 10 to capture.
- the upper block-like component or component 14 also to be referred to as a closure block-passes through a through-opening 42 extending transversely to the longitudinal axis 27 of the bolt 26, which consists of an inner cylindrical section 44 with an internal thread 46 and an outer cylindrical portion 48 of larger cross-section, which is freely accessible.
- the passage opening 42 runs parallel to the front or rear side of the block-like component 14.
- a fuse screw 50 can be screwed.
- the locking screw 50 engages with its front end 52 in the groove-like recess 38 of the bolt head 30 when the closure blocks 12, 14 are assembled, so the comb-like portions 20, 22 interlock and the bore 24 freely accessible and properly penetrated by the shaft 28 is.
- the screw 50 has a head 58 with coding, so that detachment is possible only with a special tool.
- the closure device 10 according to the invention is resistant to mechanical impact and shear stress, since the bolt 26 extends within the contour of the components 12, 14, in particular made of solid steel, ie their comb-like structures 20, 22.
- the closure blocks 12, 14 with their comb-like sections 20, 22 and the penetrated by the bolt 26 holes 24, the bolt 26 itself and the groove-like receptacles 54, 56 for the bolt head sections 32, 34 can be roughly tolerated without affecting the function. As a result, a low-maintenance operation is guaranteed.
- the locking screw 50 must be tightened with little torque, since the main locking function by the connection of the comb-like structure, so the intermeshing comb-like portions 20, 22 of the components 12, 14 and the bolt 26 takes place.
- the locking screw 50 can be tightened and loosened by means of a simple hand tool.
- the bolt 26 can be manually inserted into the bore 24 or pulled out of it, wherein the opening 40 provides assistance.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012101300A DE102012101300B3 (en) | 2012-02-17 | 2012-02-17 | Locking device for containers for transporting radioactive substances |
PCT/EP2013/053036 WO2013120982A1 (en) | 2012-02-17 | 2013-02-15 | Closure device for containers for transporting radioactive substances |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2814754A1 true EP2814754A1 (en) | 2014-12-24 |
EP2814754B1 EP2814754B1 (en) | 2016-08-31 |
Family
ID=47714124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13704126.5A Active EP2814754B1 (en) | 2012-02-17 | 2013-02-15 | Closure device for containers for transporting radioactive substances |
Country Status (10)
Country | Link |
---|---|
US (1) | US9704606B2 (en) |
EP (1) | EP2814754B1 (en) |
JP (1) | JP6342335B2 (en) |
CN (1) | CN104271460B (en) |
BR (1) | BR112014020046B1 (en) |
CA (1) | CA2863744C (en) |
DE (1) | DE102012101300B3 (en) |
HK (1) | HK1203466A1 (en) |
RU (1) | RU2586467C2 (en) |
WO (1) | WO2013120982A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016007446A1 (en) * | 2016-06-18 | 2017-12-21 | G. Siempelkamp Gmbh & Co.Kg | Protection arrangement for containers during its transport |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1812467A (en) * | 1928-10-19 | 1931-06-30 | Gen Motors Corp | Tire carrier lock |
DE1004996B (en) * | 1953-02-07 | 1957-03-21 | Sebastian Troidl | Crate lock |
DD150811A1 (en) * | 1980-04-22 | 1981-09-16 | Frank Drechsler | CLOSURE DEVICE FOR A COVER OF AN SCREEN TANK |
CA1155474A (en) * | 1981-07-29 | 1983-10-18 | Verge, Louis A. | Mud-splashguard for motor vehicles |
DE3201884A1 (en) * | 1982-01-22 | 1983-08-04 | Deutsche Gesellschaft für Wiederaufarbeitung von Kernbrennstoffen mbH, 3000 Hannover | METHOD FOR CLOSING CONTAINERS CONTAINING RADIOACTIVE SUBSTANCES |
US4636645A (en) | 1984-10-31 | 1987-01-13 | Westinghouse Electric Corp. | Closure system for a spent fuel storage cask |
GB8804496D0 (en) | 1988-02-26 | 1988-03-30 | British Nuclear Fuels Plc | Sealing of containers |
RU2050026C1 (en) | 1992-07-28 | 1995-12-10 | Мариупольский государственный концерн "Азовмаш" | Container for transportation and storage of spent-fuel assemblies |
RU2084023C1 (en) | 1993-08-18 | 1997-07-10 | Ленинградская атомная электростанция им.В.И.Ленина | Sheathed fuel assembly |
FR2715762B1 (en) * | 1994-02-01 | 1996-03-29 | Transnucleaire | Device for fixing the bottom of a transport and / or storage container for radioactive materials. |
FR2738232B1 (en) | 1995-09-04 | 1997-11-14 | Py Daniel C | METHOD FOR TRANSFERRING ARTICLES, POCKET AND ENCLOSURE FOR TRANSFER |
US5775139A (en) * | 1997-06-10 | 1998-07-07 | Sellers; Fred J. | Trailer hitch lock |
GB9808242D0 (en) * | 1998-04-21 | 1998-06-17 | British Nuclear Fuels Plc | A protective casing |
US6044674A (en) * | 1998-06-03 | 2000-04-04 | Rushing; Robert E. | Nut enclosure lock |
GB9922019D0 (en) * | 1999-09-18 | 1999-11-17 | British Nuclear Fuels Plc | A protective casing |
US6534776B2 (en) | 2001-04-23 | 2003-03-18 | Columbiana Boiler Company | Vessel for uranium hexafluoride transport |
JP3092753U (en) * | 2002-09-12 | 2003-03-28 | 燿宏工業股▲分▼有限公司 | Improved structure of anti-theft bolt |
US7665755B2 (en) * | 2005-02-28 | 2010-02-23 | Thomsen Verne E | Kingpin locking system for trailers |
US7665334B2 (en) * | 2007-11-05 | 2010-02-23 | Pedro Medina | Outboard motor lower-unit lock |
DE102008037569A1 (en) * | 2008-10-13 | 2010-06-02 | Daher Lhotellier Csi | Arrangement for transporting in particular UF6 |
WO2010043543A1 (en) | 2008-10-13 | 2010-04-22 | Delphi Technologies, Inc. | Arrangement for spark plug centre electrode connection with ignition coil |
-
2012
- 2012-02-17 DE DE102012101300A patent/DE102012101300B3/en active Active
-
2013
- 2013-02-15 WO PCT/EP2013/053036 patent/WO2013120982A1/en active Application Filing
- 2013-02-15 RU RU2014137475/12A patent/RU2586467C2/en active
- 2013-02-15 EP EP13704126.5A patent/EP2814754B1/en active Active
- 2013-02-15 BR BR112014020046-7A patent/BR112014020046B1/en active IP Right Grant
- 2013-02-15 CN CN201380009703.4A patent/CN104271460B/en active Active
- 2013-02-15 US US14/377,372 patent/US9704606B2/en active Active
- 2013-02-15 JP JP2014557048A patent/JP6342335B2/en active Active
- 2013-02-15 CA CA2863744A patent/CA2863744C/en active Active
-
2015
- 2015-04-22 HK HK15103877.5A patent/HK1203466A1/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2013120982A1 * |
Also Published As
Publication number | Publication date |
---|---|
RU2586467C2 (en) | 2016-06-10 |
CN104271460A (en) | 2015-01-07 |
US20150255182A1 (en) | 2015-09-10 |
US9704606B2 (en) | 2017-07-11 |
CN104271460B (en) | 2017-09-08 |
HK1203466A1 (en) | 2015-10-30 |
RU2014137475A (en) | 2016-04-10 |
BR112014020046A2 (en) | 2017-06-20 |
BR112014020046B1 (en) | 2021-01-19 |
EP2814754B1 (en) | 2016-08-31 |
CA2863744A1 (en) | 2013-08-22 |
WO2013120982A1 (en) | 2013-08-22 |
BR112014020046A8 (en) | 2017-07-11 |
JP2015514964A (en) | 2015-05-21 |
CA2863744C (en) | 2019-05-07 |
JP6342335B2 (en) | 2018-06-13 |
DE102012101300B3 (en) | 2013-04-18 |
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