Sleeper for mine tunnel

The utility model relates to a sleeper for a mine tunnel. The sleeper comprises a sleeper body, and at least one through hole is formed in the sleeper body in the length direction. The sleeper is of a hollow structure, so that the use quantity of materials is reduced, production cost is reduced, sho...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG YUQING, CAO ZHANJUN, GUO MENG, LI XUYANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FIXED CONSTRUCTIONS MACHINES FOR MAKING RAILWAYS OF ALL KINDS PERMANENT WAY PERMANENT-WAY TOOLS
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