Shield against radiations

Details Shield against radiations Shield against radiations

1986-01-22

1988-02-23

Capella, Steven

Radiant energy

Radiation controlling means

Shields

2505171, 2505151, 106 97, G21C 1100

Patent

active

047272570

ABSTRACT:
A shield against ionizing radiations comprises at least one layer including one or more boron minerals and/or one or more lead minerals and/or directly derived products, which preferably constitute the inert or slightly active aggregate fraction of cement-based conglomerates (such as concrete or mortar). Galena and/or other lead minerals can be used for the shielding from .gamma. rays, and colemanite and/or other boron minerals can be used for neutron shielding. Particular purpose additives will also be used. The family of compositions according to the invention will contain by weight 65-75% of floated galena, 5-10% of colemanite and 20-25% of binding agents and additives.

REFERENCES:
patent: 2726339 (1955-12-01), Borst
patent: 3122513 (1964-02-01), Dempsey
patent: 4123392 (1978-10-01), Hall et al.

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