CH600133

A hard compact material, such as rock, is broken by directing a high velocity jet of fluid, such as water, into a drill hole in the material to be broken. The jet is generated by a nozzle and is directed into the drill hole through a tubular member, which is associated with the nozzle. Upon having t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ERIK VOLMAR LAVON, BO LEMCKE, LEVI JOHANNES KARLFORS
Format:	Patent
Sprache:	eng
Schlagworte:	CRUSHING, PULVERISING, OR DISINTEGRATING CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL CUTTING CUTTING-OUT EARTH DRILLING FIXED CONSTRUCTIONS HAND CUTTING TOOLS MILLING GRAIN MINING MINING OR QUARRYING PERFORATING PERFORMING OPERATIONS PREPARATORY TREATMENT OF GRAIN FOR MILLING PUNCHING SEVERING SEVERING BY MEANS OTHER THAN CUTTING STAMPING-OUT TRANSPORTING
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Beschreibung
Zusammenfassung:	A hard compact material, such as rock, is broken by directing a high velocity jet of fluid, such as water, into a drill hole in the material to be broken. The jet is generated by a nozzle and is directed into the drill hole through a tubular member, which is associated with the nozzle. Upon having traversed the tubular member, the jet is suddenly arrested in the hole to break the material by the established jet stagnation pressure stemmed by the tubular member.