Apparatus for measuring the dose rate in a transportation flask

Details Apparatus for measuring the dose rate in a transportation flask Apparatus for measuring the dose rate in a transportation flask

1990-11-05

1991-10-22

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

2505061, G01T 1167

Patent

active

050597973

ABSTRACT:
Prior to the transportation to a discharge site of a casket or flask in which has been placed a container filled with radioactive waste, through a hole formed in the flask is introduced a probe holder (32) connected by electrical connectors (76,80) to an external measuring apparatus. The probe holder (31) is provided with a handle (68) making it possible, through a mechanism (66,56,54,50), to swing a door (42) to which a probe (34) is fixed between a retracted introduction position and a measuring position in which the probe can be oriented at 90.degree. relative to the probe holder axis. After the probe holder has been coupled by a nut (40) to a container carrier in which is located the container containing the waste, a precise, reproducible measurement of the dose rate within the transportation flask can be carried out.

REFERENCES:
patent: 3643096 (1972-02-01), Jeffries, Jr. et al.
patent: 4620800 (1986-11-01), Anno
patent: 4822238 (1989-04-01), Kwech

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