FIELD: blasting operations.
SUBSTANCE: brush-type propellant charge contains a stick of U-shaped powder elements. The charge has one end sunk in elastic adhesive material and is located in the cup of a propellant device. Each of powder elements is wrapped and tied in flexible material at its bending point so that each element has its bending point sunk in elastic adhesive material. Cotton thread is used as flexible material.
EFFECT: durable brush-type charges and simplified manufacturing process as operations that are hard to control visually are eliminated.
2 cl, 1 dwg
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| SOLID PROPELLANT CHARGE | 2000 |
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RU2255240C1 |
