Radiant energy – Radiation controlling means – Shielded receptacles for radioactive sources
Patent
1994-10-03
1996-02-13
Anderson, Bruce C.
Radiant energy
Radiation controlling means
Shielded receptacles for radioactive sources
2065248, 137205, G21F 500, B65D 8120, B67C 316
Patent
active
054913454
ABSTRACT:
A vacuum canister including a housing with a sealed vacuum chamber having a predetermined vacuum pressure therein and a valve having a first port for fluid communication with the vacuum chamber and a second port for receiving at least one of a fluid and a particulate material. The valve is operable between a first position to seal the vacuum chamber and retain the predetermined vacuum within the vacuum chamber, and a second position to access the vacuum chamber to permit vacuum fluid flow through the valve from the second port into the vacuum chamber. In operation of the vacuum canister to pick up material with the valve in the second position, when the second port is located adjacent at least one of a fluid and a particulate material, is effective to displace through the valve at least one of a fluid and a particulate material into the housing. The vacuum canister is desirably suitable for picking up and containing hazardous material such as radioactive material, in which the vacuum canister includes a protective layer of lead having a predetermined thickness that is effective to shield radiation emitted from the radioactive material contained within the housing. Advantageously, the vacuum canister includes a vacuum means for establishing a predetermined vacuum pressure within the vacuum chamber.
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Anderson Bruce C.
Associated Universities Inc.
Bogosian Margaret C.
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