Shielding member for radioactive substance, manufacturing method

Details Shielding member for radioactive substance, manufacturing method Shielding member for radioactive substance, manufacturing method

1996-04-16

1998-11-03

Berman, Jack I.

Radiant energy

Fluent material containment, support or transfer means

With irradiating source or radiating fluent material

2505061, 2505071, G21F 500

Patent

active

058312714

ABSTRACT:
The present invention provides a shielding member for radioactive substances which can be made compact in size and light in weight while maintaining its shielding ability, or improves the shielding ability while keeping the same size, thereby to store a large volume of radioactivity. At the same time, the present invention provides a manufacturing method for the above shielding member and a radioactive solution-producing apparatus using the above shielding member. The radioactive substance-shielding member uses two or more kinds of radiation shielding materials of different shielding abilities. A shielding body made of a shielding material of the highest shielding ability is arranged at an area which is the nearest to a radioactive source.

REFERENCES:
patent: 3535085 (1970-10-01), Shumate
patent: 3912935 (1975-10-01), Harris
patent: 4333911 (1982-06-01), Comar et al.
patent: 4752437 (1988-06-01), Ito et al.
patent: 4754894 (1988-07-01), Simon et al.
patent: 5397902 (1995-03-01), Castner et al.
Patent Abstract of Japan, vol. 16, No. 225 (P-1360), 26 May 1992 & JP-A-4 047296 (Mitsubishi Heavy Ind Ltd), 17 Feb. 1992.
Database WPI, Week 8817, Derwent Publications Ltd., London, GB; AN 88-115722 & JP-A-63 061 999 (Toshiba) 18 Mar. 1988.

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