G - Physics – 21 – F
Patent
G - Physics
21
F
358/29, 20/31
G21F 3/04 (2006.01) E04C 1/40 (2006.01) E04B 2/02 (2006.01)
Patent
CA 1306552
ABSTRACT OF THE DISCLOSURE: A building block, useful in plurality, especially for erecting shielding walls in nuclear facilities, is made of a cube-shaped metal jacket consisting of steel plate, especially special steel, which jacket is closed on all sides and is filled with concrete. To facilitate handling and to permit the erection of shielding walls with building blocks in fixed positions, the top surfaces and the bottom surfaces of the jacket are provided with bulging formations in the form of projections and depressions which engage with each other between adjacent building blocks to mutually fix the positions of the building blocks.
575072
Rheinhold & Mahla Gmbh
Rissel Heinz
Robic
LandOfFree
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