IPC 7 English version
G21F-G21F00936

SECTION G – PHYSICS


G 21NUCLEAR PHYSICS; NUCLEAR ENGINEERING


G 21 FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION, OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR (radiation protection by pharmaceutical means A61K 7/40; in cosmonautic vehicles B64G; combined with a reactor G21C 11/00; combined with X-ray tubes H01J 35/16; combined with X-ray apparatus H05G 1/02)


1/

00Shielding characterised by the composition of the material

1/

02.Selection of uniform shielding materials

1/

04..Concretes; Other hydraulic hardening materials

1/

06..Ceramics; Glasses; Refractories (cermets G21F 1/08)

1/

08..Metals; Alloys; Cermets, i.e. sintered mixtures of ceramics and metals

1/

10..Organic substances; Dispersions in organic carriers

1/

12.Laminated shielding materials


3/

00Shielding characterised by its physical form, e.g. granules, or shape of the material

3/

02.Clothing (protective clothing or garments in general A41D 13/00)

3/

025..Clothing completely surrounding the wearer  [5]

3/

03..Aprons  [5]

3/

035..Gloves (mounting means on glove boxes G21F 7/053)  [5]

3/

04.Bricks; Shields made up therefrom


5/

00Transportable or portable shielded containers

5/

002.Containers for fluid radioactive wastes  [5]

5/

005.Containers for solid radioactive wastes, e.g. for ultimate disposal  [5]

5/

008..Containers for fuel elements  [5]

5/

012...Fuel element racks in the containers  [5]

5/

015.for storing radioactive sources, e.g. source carriers for irradiation units; Radioisotope containers  [5]

5/

018..Syringe shields or holders (syringe shielding for applying radioactive material to the body A61M 36/08)  [5]

5/

02.with provision for restricted exposure of a radiation source within the container

5/

04..Means for controlling exposure, e.g. time, size of aperture (controlling exposure to X-radiation H05G 1/30)

5/

06.Details of, or accessories to, the containers  [5]

5/

08..Shock-absorbers, e.g. impact buffers for containers  [5]

5/

10..Heat-removal systems, e.g. using circulating fluid or cooling fins  [5]

5/

12..Closures for containers; Sealing arrangements  [5]

5/

14..Devices for handling containers or shipping-casks, e.g. transporting devices  [5]


7/

00Shielded cells or rooms (chambers provided with manipulating devices in general B25J)

7/

005.Shielded passages through walls; Locks; Transferring devices between rooms (between glove-boxes G21F 7/047)  [5]

7/

01..Transferring by fluidic means  [5]

7/

015.Room atmosphere, temperature or pressure control devices  [5]

7/

02.Observation devices permitting vision but shielding the observer

7/

03..Windows, e.g. shielded  [5]

7/

04.Shielded glove-boxes (glove-boxes in general B25J 21/02)

7/

047..Shielded passages; Closing or transferring means between glove-boxes  [5]

7/

053..Glove mounting means  [5]

7/

06.Structural combination with remotely-controlled apparatus, e.g. with manipulators (manipulators B25J; remote control in general G05)


9/

00Treating radioactively contaminated material; Decontamination arrangements therefor  [2,5]

9/

02.Treating gases  [2]

9/

04.Treating liquids  [2]

9/

06..Processing (separating different isotopes of the same chemical element B01D 59/00)

9/

08...by evaporation; by distillation

9/

10...by flocculation

9/

12...by absorption; by adsorption; by ion-exchange

9/

14...by incineration; by calcination, e.g. desiccation

9/

16...by fixation in stable solid media

9/

18...by biological processes

9/

20..Disposal of liquid waste

9/

22...by storage in a tank or other container

9/

24...by storage in the ground; by storage under water, e.g. in ocean

9/

26...by dilution in water, e.g. in ocean, in stream

9/

28.Treating solids  [2]

9/

30..Processing (separating different isotopes of the same chemical element B01D 59/00)

9/

32...by incineration

9/

34..Disposal of solid waste

9/

36...by packaging; by baling