Mining process for materials such as phosphates

The upper cutting rollers in the projection on the movement plane are moved at a greater distance from the movement plane of the work face conveyor than the lower cutting rollers. The beam arms (5) for the cutting rollers (8) are pivotable around a coaxial or common axis (3) in a height direction. A...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	MUELLER, ALFRED, 66740 SAARLOUIS, DE
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS MINING MINING OR QUARRYING
Online-Zugang:	Volltext bestellen
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