Patent ID: 8569725

Claim:
A radiation shielding method comprising: installing a hollow container at a predetermined portion of an object to be shielded; feeding fluid into the container via a feeding hose; supplying a shielding material to the feeding hose and transporting and filling a granular shielding material into the container by the fluid; extracting the shielding material filled in the container from the container together with fluid discharged to outside of the container via a returning hose, while feeding fluid into the container via a feeding hose, in a state that the shielding material is filled in the container; and recovering the shielding material from the fluid, wherein the extracting the shielding material filled in the container from the container includes injecting the fluid, which is fed from the feeding hose to the returning hose, from an injection port formed in a tubular shaped injecting nozzle toward an inlet formed in a tubular shaped fetching member, the fetching member connected to the returning hose in the container, the inlet having a larger diameter than the injection port, and the inlet arranged so as to face the injection port.