A procedure to remove and break rocks or other minerals little or nothing sold. (Machine-translation by Google Translate, not legally binding)

摘要

A procedure to detach and break rocks or other minerals, little or no clefts, for example, pieces of rock or stone obtained in quarries, characterized in that (a) in the rock, and by means of a transportable drilling machine, at least one hole is made from about two to six, preferably about four centimeters in diameter, which is closed from the bottom side; (b) a limitedly expandable flexible tube, provided with a rupture element and made in the form of a chamber, is inserted into the bore and, with the aid of a compressor, is inflated at the first time by means of a high air pressure (for example, around 400 atmospheres and more), then it is charged, raising the air pressure, until the rupture element explodes, so that as a consequence of abruptly giving up the rupture element, the air shoots out as an explosive wave of pressure in the drill cavity located behind the flexible hose, breaking or dividing the stone. (Machine-translation by Google Translate, not legally binding)