DRILLING APPARATUS AND DRILLING METHOD

PROBLEM TO BE SOLVED: To provide a drilling apparatus and a drilling method capable of drilling holes while detecting buried objects in concrete leading to breakage of bits.SOLUTION: A drilling apparatus 10 includes: a drill head 12; a rod 16 connected to the drill head 12 and having a bit 14 at its...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	OZAKI JUICHI, YAMADA YOSHINORI, OKAGAWA HIDEYUKI, MATSUI KEITA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!