Radiant energy – Radiant energy generation and sources – With container for radioactive source and radiation...
Patent
1978-11-27
1980-07-08
Dixon, Harold A.
Radiant energy
Radiant energy generation and sources
With container for radioactive source and radiation...
250506, 250514, G21F 502
Patent
active
042119286
ABSTRACT:
A storage unit for a quantity of radioactive material in a capsule attached to a leader by which the capsule can be moved, the unit having a straight passage through a body of radiation-shielding material within which the radioactive material can be stored, and a shutter for one end of the passage that is operable between two limits in one of which it closes the passage and in the other of which it locates a hole in register with the passage. A spring-biased tube in the passage fits in a recess around the hole for retaining the shutter in the "open" position, and this tube can be pulled back from the shutter by a fitting attached to the capsule when the capsule is stored, releasing the shutter to return to the first limit. An interlock is provided to prevent accidental opening of the shutter.
REFERENCES:
patent: 3721826 (1973-03-01), Thomas
Munro, III John J.
Parsons, Jr. George W.
Dixon Harold A.
Rosen Alfred H.
Technical Operations Incorporated
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