US 6,982,430 B1
Radiation case
Anthony M. Moscaritolo, Saugus, Mass. (US); and James Claude King, Albuquerque, N. Mex. (US)
Assigned to The United States of America as represented by the Secretary of the Navy, Washington, D.C. (US)
Filed on May 27, 2004, as Appl. No. 10/857,378.
Int. Cl. G21C 19/00 (2006.01)
U.S. Cl. 250—496.1 4 Claims
OG exemplary drawing
 
1. A radiation case, comprising:
(a) a radiation-proof door; and
(b) a radiation-proof main section, the radiation proof main section comprising a back portion, a floor portion, a ceiling portion and side portions, vertical cavities formed in the back portion, the vertical cavities being a selected distance from a surface of a back wall of the back portion, radiation rods located in the vertical cavities, each radiation rod containing a cobalt-60 pellet, the selected distance between the vertical cavities and the surface of the back wall of the back portion being less than a maximum penetration distance for gamma rays coming out of each cobalt-60 pellet.