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E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
E21F13/00—Transport specially adapted to underground conditions
E21F13/06—Transport of mined material at or adjacent to the working face
E21F13/066—Scraper chain conveyors
E21F13/068—Special adaptations for use at the junction of the working face with the gallery, e.g. driving stations coupled to the driving station of the winning machine
E—FIXED CONSTRUCTIONS
E21—EARTH OR ROCK DRILLING; MINING
E21C—MINING OR QUARRYING
E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
E21C35/08—Guiding the machine
E21C35/12—Guiding the machine along a conveyor for the cut material
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FR1074643D1951-11-221952-11-19Procédé et installations pour l'abattage et l'extraction, sur tronçons courbes, de charbon et d'autres minerais
ExpiredFR1074643A
(fr)