| 摘要 |
FIELD: blasting tests of materials and products. SUBSTANCE: in the armored chamber, girdled by external piping 3 one of walls 1 is made as a truncated conical shell, whose smaller base is connected through valve 5 to one end of piping 3, and the larger base through body wall 2 is connected to the other end of piping 3. EFFECT: enhanced efficiency of blast working. |
