BE594590R
(en )
1961-02-28
Mooring device for conveyor placed in front of a working face, usable in particular in mines
FR1327260A
(en )
1963-05-17
Anchoring device, in particular for stabilizing mine roofs
BE595969R
(en )
1961-04-12
Mooring device for conveyor placed in front of a working face, usable in particular in mines.
FR78250E
(en )
1962-06-22
Mooring device for conveyor placed in front of a working face, usable in particular in mines
FR78497E
(en )
1962-07-27
Mooring device for conveyor placed in front of a working face, usable in particular in mines
FR1235886A
(en )
1960-07-08
Mooring device for conveyor placed in front of a working face, usable in particular in mines
BE582862A
(en )
1960-03-21
Mooring device for conveyor placed in front of a working face, usable in particular in mines
BE591507A
(en )
1960-12-02
Advance device for a size conveyor, usable in particular in mines.
BE591003A
(en )
1960-11-21
Plane for cutting coal or ore guided on a conveyor placed in the waist.
FR1176589A
(en )
1959-04-13
Extraction device, usable in particular in mines
BE588087A
(en )
1960-08-26
Hydraulic device for mooring the main drive mechanism of a pruning conveyor, usable in particular in mines.
FR1226776A
(en )
1960-08-16
Support device for the skidding, as a whole, of the cutting conveyors used in mines
FR1242240A
(en )
1960-09-23
Feeding device for mining machines, usable in particular in mines
BE599209A
(en )
1961-07-18
Device for tensioning the two chains of a scraper conveyor, usable in particular in mines
FR1258119A
(en )
1961-04-07
Feeding device for pruning conveyor, usable in particular in mines
BE586002A
(en )
1960-06-24
Drive station for a two-chain scraper conveyor, usable in particular in mines.
BE612390A
(en )
1962-07-09
Mooring device for coal mining crew, usable in particular in mines.
FR1186718A
(en )
1959-08-31
Advance and blocking device for pruning conveyors, usable in particular in mines
FR76295E
(en )
1961-09-29
Extraction device, usable in particular in mines
FR1296649A
(en )
1962-06-22
Loading device, in particular for shoveling machines
BE577399A
(en )
1959-07-31
Device for the extraction of coal by means of a planing crew guided along a conveyor, usable in particular in mines.
FR78605E
(en )
1962-08-17
Support device for the skidding, as a whole, of the cutting conveyors used in mines
FR1232221A
(en )
1960-10-06
Device for triggering mechanical operations, particularly in drag chain conveyors
FR1480044A
(en )
1967-05-05
Mooring device for pruning conveyor, usable in particular in mines
BE587809A
(en )
1960-08-19
Advancement device for transport wagons, usable in mining operations.