MODIFIED BLAST CONTROL PLUG
A blast control plug is disclosed characterized by a substantially hollow conical portion open at the base. A short skirt is integral with the base and projects downwardly therefrom, where is the outer face of the junction between the conical portion and the skirt is rounded and has a diameter less...
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Format: | Patent |
Sprache: | eng ; fre |
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Zusammenfassung: | A blast control plug is disclosed characterized by a substantially hollow conical portion open at the base. A short skirt is integral with the base and projects downwardly therefrom, where is the outer face of the junction between the conical portion and the skirt is rounded and has a diameter less than the diameter of the blast hole in which it is to be used. A short integral spigot projects upwardly from the apex of the conical portion, the spigot having a recess into which one end of a separate positioning rod may be inserted. |
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