Improvements relating to reamers

A movable cutting tool for scraping or cutting a surface of a hole in the ground is disclosed. The tool comprises a first frame (2) having a generally longitudinal axis and adapted to be suspended from a hoist or trailed from tackle so as to be capable of moving the frame in a direction more or less...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZIEMOWIT JAN SLIWINSKI, ROY BRUCE MILLER
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SHAFTS TUNNELS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!