Mining or in situ disintegration of hard material – Processes – With material-handling
Patent
1995-01-03
1996-12-10
Bagnell, David J.
Mining or in situ disintegration of hard material
Processes
With material-handling
299 64, E21C 2910, E21C 3520
Patent
active
055824650
ABSTRACT:
A method and apparatus for haulage of material in a self-propelled vehicle on a sloped surface by supplementing traction force of the self-propelled vehicle by rope under variable tension in order to achieve the desired velocity of haulage.
REFERENCES:
patent: 1723383 (1929-08-01), Smith
patent: 2143522 (1939-01-01), McCarthy
patent: 5246274 (1993-09-01), Smith et al.
Bagnell David J.
DM Technologies Ltd.
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