| 摘要 |
An explosion container (10) comprising an elongated shank (12), a closure device (14) at one end thereof which when the explosive container (10) is homed is in close proximity to an explosive charge (38), and retention means comprising a plurality of retention members (16) that are of greater dimensional diameter than the drill hole (36) and are of a strength sufficient to deflect when the shank (12) is being inserted into the drill hole (36) but have sufficient strength to prevent or inhibit the explosive container (10) from being moved outwardly of the drill hole (36) when the explosive charge (38) is detonated. |
