Underground rock chutes

Details Underground rock chutes Underground rock chutes

1980-06-06

1983-02-01

Pate, III, William F.

Hydraulic and earth engineering

Underground passageway, e.g., tunnel

Lining

52506, E21D 1100

Patent

active

043712894

ABSTRACT:
A rock pass bored in rock is lined with cylinders 10 which are stacked one on top of the other. The liners are lined in those parts which are subject to wear with detachable liners 15. The remainder carries rails 14 as a protection against rebound.

REFERENCES:
patent: 1813790 (1931-07-01), Wildish
patent: 4191492 (1980-03-01), Cobbs

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