METHOD AND APPARATUS FOR BREAKING COMPACT MATERIAL USING IMPACT-PRESSURIZED LIQUID IN A PRE-DRILLED HOLE

METHOD AND APPARATUS FOR BREAKING COMPACT MATERIAL USING IMPACT-PRESSURIZED LIQUID IN A PRE-DRILLED HOLE

1493723 Splitting rock INST CERAC SA 11 April 1975 [25 April 1974] 14948/75 Heading E1F A method of splitting a rock comprises drilling a hole 1 in the rock, filling the hole with a liquid, e.g. water, and impacting the liquid with a piston 2, 2a or 2b. Water is introduced into the hole either throu...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: LEMCKE, BO, DENISART, JEAN-PAUL, EDNEY, BARRY E
Format: Patent
Sprache:eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
MINING OR QUARRYING
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Beschreibung
Zusammenfassung:1493723 Splitting rock INST CERAC SA 11 April 1975 [25 April 1974] 14948/75 Heading E1F A method of splitting a rock comprises drilling a hole 1 in the rock, filling the hole with a liquid, e.g. water, and impacting the liquid with a piston 2, 2a or 2b. Water is introduced into the hole either through inlet 12, Fig. 10, or conduits 10, Fig. 11, and is partially retained therein by a sealing, e.g. 13. In the embodiment shown in Fig. 12, the piston 2b, encapsulated in a plastic tube 15 containing water, is launched into the hole 1.