SAMPLING DEVICE

PURPOSE:To secure opening and closing of a sampling door by comparatively simple constitution at the time of sampling sample soil at specified depth by a sampling device and easily filling a cavity on a passing trace by a drilling shaft and the sampling device at the time of pulling up the drilling...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YOSHIDA SHIGERU, MATAYOSHI NAOYA, KATO SHINYA
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS SOIL SHIFTING TESTING UNDERGROUND OR UNDERWATER STRUCTURES
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