Radiant energy – Fluent material containment – support or transfer means – With irradiating source or radiating fluent material
Patent
1979-06-18
1981-05-26
Anderson, Bruce C.
Radiant energy
Fluent material containment, support or transfer means
With irradiating source or radiating fluent material
250336, G01N 2310, G21F 500
Patent
active
042700523
ABSTRACT:
An electronic device for rapidly determining the volume of a radioactive gas needed to be removed from a closed container such that the removed volume will constitute a predetermined amount of radioactivity. Further, the device incorporates novel features including the use of a shielded valve assembly so that this determination, and actual withdrawal of the desired amount of radioactive gas may be accomplished without removing the closed container from its leaded radiation shield. The leaded radiation shield also serves as a shipping container for the multidose radioactive gas container, and is easily removed for periodic interchange with similarly shielded replacement radioactive source containers. The shielded valve assembly attaches to the top of the shielded closed container to facilitate withdrawal with minimum radiation exposure to the handling operator.
REFERENCES:
patent: 2858448 (1958-10-01), Brown
patent: 3717760 (1973-02-01), Martin
patent: 3769490 (1973-10-01), Czaplinski
patent: 4034222 (1977-07-01), Azam et al.
patent: 4039835 (1977-08-01), Colombetti
patent: 4084097 (1978-04-01), Czaplinski et al.
patent: 4092546 (1978-05-01), Larrabee
Anderson Bruce C.
Doble Arthur V.
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