Autonomous granular grinding machine having vertical and lateral correlated wear defects
FR2989813A1
Portable electro-pneumatic horn for protecting agents and staff working on railway tracks, has rechargeable battery for driving mini air-compressor for filling tank provided with pressure gauge, and actuating high power acoustic sound tube
FR2983412A1
Rapid intervention assembly for railway for rescuing people trapped in train in event of accident, has elastomeric flexible staircase placed on side of railway track, where staircase presents slope on ballast of railway track
FR2901169A1
Portable rail cutting machine for railway track, has support with arm demountably coupled to slashing device activated by motor, and saw positioned above rail and fixed at exit of reduction gear system, where saw is made of high speed steel
FR2890988A1
Railway rail with removable mushroom.
FR2882322A1
Railway flooring machine on board of lightweight transport trailer which can circulate on railway
FR2814477A1
Assymetric railway rail with interchangeable fungus on elastic cushion shock and vibration shock absorber
FR2789003A1
Device for swiveling the front and rear arms of machines for screwing and unscrewing the tireds or bolts for fixing railway rails
FR2785304A1
Elastic safety nails for fixing railway rails on wooden crossings
FR2778418A1
Apparatus for performing vibration or shock on long welded rail rails
FR2717510A1
Ballast stripper located under the rail tracks.
FR2650607A1
Metal crossing of hollow body railways
FR2639373A1
Improvements on railway tracking machines
FR2622609A1
Compact and lightweight machine for tightening and unlocking work of tireds and bolts for fixing railways
FR2568812A1
Universal wrench for machines for screwing and unscrewing tiredons and nuts of bolts for fixing railways
FR2555534A1
Portable automatic alarm device for railway sites
FR2523165A1
Improvements in or relating to rails, ties and rail fixing devices on rails of a railway track
FR2515226A1
Machine for sweeping between railway lines - comprises rotating brush which discharges waste onto inclined vibrating table
FR2406029A1
Hydraulic machine for tightening railway sleeper bolts - has motor driving vertical shaft with torque indicator mechanism linked to gauge
US3473482A
Wagons for transporting and positioning railway sleepers
