AUGER AND SOIL IMPROVING APPARATUS

PROBLEM TO BE SOLVED: To prevent an auger from causing rotation of earth and sand when rotating in earth. SOLUTION: This auger 12 has a rod 16 and a helical blade 18 therearound, the helical blade having a plurality of holes 30 or cutouts provided at intervals to one another in the direction of exte...

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Bibliographische Detailangaben
1. Verfasser:	HAMADA NAOHITO
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To prevent an auger from causing rotation of earth and sand when rotating in earth. SOLUTION: This auger 12 has a rod 16 and a helical blade 18 therearound, the helical blade having a plurality of holes 30 or cutouts provided at intervals to one another in the direction of extension of the blade. This soil improving apparatus 10 includes the auger 12 and an impact force application means 14 inserted into the rod of the auger and exposed to the outside from the end of the rod under the ground for applying an impact force to soil around the apparatus.