BED ROCK CRUSHING DEVICE

PURPOSE:To perform an effective bed rock crushing work by utilizing the pressure and the temperature of heating liquid. CONSTITUTION:A flexible tube 22 the outer peripheral part of which is covered with a covering material 24 is inserted in a hole 11 bored in a bed rock 10 and a bed rock around the...

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Bibliographische Detailangaben
1. Verfasser:	HYODO KAZUYA
Format:	Patent
Sprache:	eng
Schlagworte:	CRUSHING, PULVERISING, OR DISINTEGRATING CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL EARTH DRILLING FIXED CONSTRUCTIONS MILLING GRAIN MINING MINING OR QUARRYING PERFORMING OPERATIONS PREPARATORY TREATMENT OF GRAIN FOR MILLING TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE:To perform an effective bed rock crushing work by utilizing the pressure and the temperature of heating liquid. CONSTITUTION:A flexible tube 22 the outer peripheral part of which is covered with a covering material 24 is inserted in a hole 11 bored in a bed rock 10 and a bed rock around the hole is crushed in a way that a water pressure is applied on the interior of the tube to expand the tube in the direction of a hole diameter. In a so formed hydraulic type bed rock crushing device, the covering material 24 is formed of a shape memory alloy. The rock crushing device is provided with a heating liquid feeding discharging device comprising a pressure pump 28 to pressurize and feed or discharge heating liquid in and from the tube 22; and a heating liquid tank 29.