| E | SK | SECTION E — FIXED CONSTRUCTIONS |
| E01 | USK | BUILDING |
| E01 | KL | CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES (of tunnels E21D) |
| E01B | UKL | PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS (derailing or rerailing blocks on track, track brakes or retarders B61K) |
|
| E01B 1/00 | HGR | Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway (draining by trenches, culverts, or conduits E01F 5/00) |
| E01B 2/00 | HGR | General structure of permanent way (railway networks B61B 1/00; foundations for pavings E01C 3/00; foundations in general E02D) |
| E01B 3/00 | HGR | Transverse or longitudinal sleepers (for switches or crossings E01B 7/22); Other means resting directly on the ballastway for supporting rails |
| E01B 3/02 | UGR1 | | . | made from wood (drying or impregnating B27K) |
|
| E01B 3/04 | UGR2 | | . . | Means for preventing cleaving |
|
| E01B 3/06 | UGR3 | |
| E01B 3/08 | UGR3 | | . . . | Straps or bands for hooping or encircling sleepers (apparatus for hooping wooden railway sleepers on the spot E01B 31/28) |
|
| E01B 3/10 | UGR2 | |
| E01B 3/12 | UGR2 | | . . | Longitudinal sleepers; Longitudinal sleepers integral or combined with tie-rods; Combined longitudinal and transverse sleepers |
|
| E01B 3/14 | UGR2 | | . . | Slabs; Blocks; Fastening tie-rods to them |
|
| E01B 3/16 | UGR1 | |
| E01B 3/18 | UGR2 | |
| E01B 3/20 | UGR2 | | . . | Sleeper construction for special purposes, e.g. with openings for ballast working (sleepers for shiftable track for heavy loads E01B 23/12) |
|
| E01B 3/22 | UGR2 | | . . | Longitudinal sleepers; Longitudinal sleepers integral or combined with tie-rods; Combined longitudinal and transverse sleepers |
|
| E01B 3/24 | UGR2 | | . . | Slabs; Blocks; Pot sleepers; Fastening tie-rods to them |
|
| E01B 3/26 | UGR2 | | . . | combined with inserts of wood, artificial stone, or other material |
|
| E01B 3/28 | UGR1 | | . | made from concrete or from natural or artificial stone (manufacture B28) |
|
| E01B 3/30 | UGR2 | |
| E01B 3/32 | UGR2 | | . . | with armouring or reinforcement (hollow sleepers E01B 3/30) |
|
| E01B 3/34 | UGR3 | | . . . | with pre-tensioned armouring or reinforcement (pre-tensioned armouring or reinforcing elements E04C 5/00) |
|
| E01B 3/36 | UGR2 | |
| E01B 3/38 | UGR2 | | . . | Longitudinal sleepers; Longitudinal sleepers integral or combined with tie-rods; Combined longitudinal and transverse sleepers; Layers of concrete supporting both rails |
|
| E01B 3/40 | UGR2 | | . . | Slabs; Blocks; Pot sleepers; Fastening tie-rods to them |
|
| E01B 3/42 | UGR2 | | . . | combined with inserts of wood or other material |
|
| E01B 3/44 | UGR1 | | . | made from other materials only if the material is essential |
|
| E01B 3/46 | UGR1 | |
| E01B 3/48 | UGR1 | | . | Distance keepers or tie-rods for sleepers |
|
| E01B 5/00 | HGR | Rails; Guard rails (manufacture of rails B21B); Distance-keeping means for them |
| E01B 5/02 | UGR1 | |
| E01B 5/04 | UGR2 | |
| E01B 5/06 | UGR2 | | . . | Reversible or invertible rails |
|
| E01B 5/08 | UGR2 | | . . | Composite rails; Compound rails with dismountable or non-dismountable parts |
|
| E01B 5/10 | UGR3 | | . . . | Composite grooved rails; Inserts for grooved rails |
|
| E01B 5/12 | UGR2 | | . . | Rails with a foot serving as a sleeper |
|
| E01B 5/14 | UGR2 | | . . | Rails for special parts of the track, e.g. for curves |
|
| E01B 5/16 | UGR1 | |
| E01B 5/18 | UGR1 | | . | Guard rails; Connecting, fastening or adjusting means therefor |
|
| E01B 7/00 | HGR | Switches; Crossings (operating mechanisms B61L) |
| E01B 7/02 | UGR1 | | . | Tongues; Associated constructions |
|
| E01B 7/04 | UGR2 | | . . | Constructions with tongues turning about a vertical pivot at the end |
|
| E01B 7/06 | UGR2 | | . . | Constructions with flexible tongues or flexible fishplates |
|
| E01B 7/08 | UGR2 | | . . | Other constructions of tongues, e.g. tilting about an axis parallel to the rail, movable tongue blocks or rails |
|
| E01B 7/10 | UGR1 | |
| E01B 7/12 | UGR2 | | . . | Fixed frogs made of one part or composite |
|
| E01B 7/14 | UGR2 | |
| E01B 7/16 | UGR2 | |
| E01B 7/18 | UGR1 | | . | Combinations of switches and crossings |
|
| E01B 7/20 | UGR1 | | . | Safety means for switches, e.g. switch point protectors, auxiliary or guiding rail members |
|
| E01B 7/22 | UGR1 | | . | Special sleepers for switches or crossings; Fastening means therefor |
|
| E01B 7/24 | UGR1 | |
| E01B 7/26 | UGR1 | | . | Lubricating of switches (lubricating of rails B61K 3/00) |
|
| E01B 7/28 | UGR1 | |
| E01B 7/30 | UGR2 | |
| E01B 9/00 | HGR | Fastening rails on sleepers, or the like (fastening rails to bridges E01D 19/12) |
| E01B 9/02 | UGR1 | | . | Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor |
|
| E01B 9/04 | UGR2 | | . . | Fastening on wooden or concrete sleepers or on masonry without clamp members |
|
| E01B 9/06 | UGR3 | | . . . | Railways spikes (nails in general F16B) |
|
| E01B 9/08 | UGR4 | |
| E01B 9/10 | UGR3 | | . . . | Screws or bolts for sleepers (screws or bolts in general F16B) |
|
| E01B 9/12 | UGR3 | | . . . | Retaining or locking devices for spikes or screws |
|
| E01B 9/14 | UGR3 | | . . . | Plugs, sleeves, thread linings, or other inserts for holes in sleepers (inserting plugs or sleeves E01B 31/26) |
|
| E01B 9/16 | UGR4 | | . . . . | for wooden sleepers |
|
| E01B 9/18 | UGR4 | | . . . . | for concrete sleepers |
|
| E01B 9/20 | UGR3 | |
| E01B 9/22 | UGR2 | | . . | Fastening on steel sleepers without clamp members |
|
| E01B 9/24 | UGR3 | |
| E01B 9/26 | UGR3 | |
| E01B 9/28 | UGR2 | | . . | Fastening on wooden or concrete sleepers or on masonry with clamp members |
|
| E01B 9/30 | UGR3 | | . . . | by resilient steel clips |
|
| E01B 9/32 | UGR2 | | . . | Fastening on steel sleepers with clamp members |
|
| E01B 9/34 | UGR3 | | . . . | by resilient steel clips |
|
| E01B 9/36 | UGR2 | | . . | Metal sole-plates for rails which rails are directly fastened to sleepers |
|
| E01B 9/38 | UGR1 | | . | Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs |
|
| E01B 9/40 | UGR2 | | . . | Tie-plates for flat-bottom rails (manufacture thereof B21) |
|
| E01B 9/42 | UGR3 | | . . . | of two or more parts |
|
| E01B 9/44 | UGR2 | | . . | Fastening the rail on the tie-plate |
|
| E01B 9/46 | UGR3 | |
| E01B 9/48 | UGR4 | | . . . . | by resilient steel clips |
|
| E01B 9/50 | UGR3 | |
| E01B 9/52 | UGR4 | |
| E01B 9/54 | UGR2 | |
| E01B 9/56 | UGR3 | | . . . | for rails with two or more treads |
|
| E01B 9/58 | UGR2 | | . . | Fastening the rail in the chair |
|
| E01B 9/60 | UGR1 | | . | Rail fastenings making use of clamps or braces supporting the side or head of the rail |
|
| E01B 9/62 | UGR1 | | . | Rail fastenings incorporating resilient supports |
|
| E01B 9/64 | UGR1 | | . | Rail fastenings gripping or encircling the sleeper |
|
| E01B 9/66 | UGR1 | | . | Rail fastenings allowing the adjustment of the position of the rails, so far as not covered by the preceding groups |
|
| E01B 9/68 | UGR1 | | . | Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair |
|
| E01B 11/00 | HGR | Rail joints (electrical connection of rails B60M 5/00) |
| E01B 11/02 | UGR1 | | . | Dismountable rail joints |
|
| E01B 11/04 | UGR2 | |
| E01B 11/06 | UGR3 | |
| E01B 11/08 | UGR2 | |
| E01B 11/10 | UGR2 | | . . | Fishplates with parts supporting or surrounding the rail foot |
|
| E01B 11/12 | UGR2 | | . . | Fishplates engaging only the rail foot |
|
| E01B 11/14 | UGR2 | | . . | Rail foot flange clips in one piece |
|
| E01B 11/16 | UGR2 | | . . | Fishplates for joining rails of different sections |
|
| E01B 11/18 | UGR2 | | . . | Fishplates for temporarily repairing broken rails |
|
| E01B 11/20 | UGR2 | |
| E01B 11/22 | UGR3 | | . . . | by parts of the rails |
|
| E01B 11/24 | UGR4 | | . . . . | with oblique or overlapping rail ends |
|
| E01B 11/26 | UGR4 | | . . . . | with interlocking rail ends |
|
| E01B 11/28 | UGR3 | | . . . | by parts of the joining members |
|
| E01B 11/30 | UGR4 | | . . . . | Fishplates with integral tread parts lying in the cross-section of the rail head |
|
| E01B 11/32 | UGR3 | | . . . | by separate parts; Inserts bridging both rail heads |
|
| E01B 11/34 | UGR4 | | . . . . | Auxiliary rail beside the gap |
|
| E01B 11/36 | UGR2 | | . . | Fastening means for fishplates |
|
| E01B 11/38 | UGR3 | | . . . | Locking arrangements for fastening means (locking means for nuts or bolts in general F16B) |
|
| E01B 11/40 | UGR2 | | . . | Dismountable rail joints combined with welded parts |
|
| E01B 11/42 | UGR1 | | . | Joint constructions for relatively movable rails, e.g. rails on turntables, traversers, or swing bridges |
|
| E01B 11/44 | UGR1 | | . | Non-dismountable rail joints; Welded joints (welding methods B23K) |
|
| E01B 11/46 | UGR2 | | . . | General methods for making gapless tracks |
|
| E01B 11/48 | UGR2 | | . . | Joints made by flame welding |
|
| E01B 11/50 | UGR2 | | . . | Joints made by electric welding |
|
| E01B 11/52 | UGR2 | | . . | Joints made by alumino-thermal welding |
|
| E01B 11/54 | UGR1 | | . | Electrically-insulating rail joints |
|
| E01B 11/56 | UGR1 | |
| E01B 11/58 | UGR2 | |
| E01B 11/60 | UGR3 | |
| E01B 11/62 | UGR2 | |
| E01B 13/00 | HGR | Arrangements preventing shifting of the track |
| E01B 13/02 | UGR1 | |
| E01B 15/00 | HGR | Guards for preventing a person's foot being trapped in grooved rails |
| E01B 17/00 | HGR | Cattle guards connected to the permanent way (grids in general for preventing cattle from straying A01K 3/00) |
| E01B 19/00 | HGR | Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise (snow fences E01F 7/02; snow-ploughs E01H 8/02; watering E01H 11/00) |
| E01B 21/00 | HGR | Track superstructure specially adapted for tramways in paved streets (paving E01C 9/04, E01C 9/06) |
| E01B 21/02 | UGR1 | | . | Special supporting means; Draining of rails |
|
| E01B 21/04 | UGR1 | | . | Special fastenings, joint constructions, or tie-rods |
|
| E01B 23/00 | HGR | Easily dismountable or movable tracks, e.g. temporary railways; Details specially adapted therefor |
| E01B 23/02 | UGR1 | | . | Tracks for light railways, e.g. for field, colliery, or mine use |
|
| E01B 23/04 | UGR2 | | . . | Fastening or joining means |
|
| E01B 23/06 | UGR2 | | . . | Switches (turntables B60S, B61J); Portable switches; Turnouts |
|
| E01B 23/08 | UGR1 | | . | Temporary tracks for use while repairing tramways |
|
| E01B 23/10 | UGR1 | | . | Shiftable tracks for heavy loads, e.g. carrying excavators |
|
| E01B 23/12 | UGR2 | |
| E01B 23/14 | UGR2 | | . . | Fastening or joining means (fastening of rails by keys E01B 9/24) |
|
| E01B 23/16 | UGR2 | |
| E01B 25/00 | HGR | Tracks for special kinds of railways (systems B61B; wheel tracks on roads E01C 9/02) |
| E01B 25/02 | UGR1 | | . | Tracks for rack railways |
|
| E01B 25/04 | UGR2 | | . . | Rack rails; Supports or connections for rack rails |
|
| E01B 25/06 | UGR2 | | . . | Switches; Frogs; Crossings |
|
| E01B 25/08 | UGR1 | | . | Tracks for mono-rails with centre of gravity of vehicle above the load-bearing rail (E01B 25/30 takes precedence) [1, 7] |
|
| E01B 25/10 | UGR2 | | . . | Mono-rails; Auxiliary balancing rails; Supports or connections for rails |
|
| E01B 25/12 | UGR2 | |
| E01B 25/14 | UGR1 | | . | Tracks for cable-drawn railway vehicles |
|
| E01B 25/15 | UGR2 | |
| E01B 25/16 | UGR1 | | . | Tracks for aerial rope railways with a stationary rope |
|
| E01B 25/18 | UGR2 | | . . | Ropes; Supports, fastening or straining means for ropes (ropes in general D07B; masts E04H 12/00; rope sockets F16G) |
|
| E01B 25/20 | UGR2 | |
| E01B 25/22 | UGR1 | | . | Tracks for railways with the vehicle suspended from rigid supporting rails |
|
| E01B 25/24 | UGR2 | | . . | Supporting rails; Auxiliary balancing rails; Supports or connections for rails |
|
| E01B 25/26 | UGR2 | |
| E01B 25/28 | UGR1 | | . | Rail tracks for guiding vehicles when running on road or similar surface (wheel tracks on roads E01C 9/02) |
|
| E01B 25/30 | UGR1 | | . | Tracks for magnetic suspension or levitation vehicles [7] |
|
| E01B 25/32 | UGR2 | | . . | Stators, guide rails or slide rails [7] |
|
| E01B 25/34 | UGR2 | | . . | Switches; Frogs; Crossings [7] |
|
| E01B 26/00 | HGR | Tracks or track components not covered by any one of main groups E01B 1/00-E01B 25/00 |
|
| E01B 27/00 | HGR | Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers |
| E01B 27/02 | UGR1 | | . | Placing the ballast; Making the ballastway; Redistributing ballasting material; Machines or devices therefor; Levelling means |
|
| E01B 27/04 | UGR1 | | . | Removing the ballast; Machines therefor, whether or not additionally adapted for taking-up ballast (E01B 27/06, E01B 27/12 take precedence; redistributing ballasting material E01B 27/02) |
|
| E01B 27/06 | UGR1 | | . | Renewing or cleaning the ballast in situ, with or without concurrent work on the track |
|
| E01B 27/08 | UGR2 | | . . | the track having been taken-up (E01B 27/11 takes precedence) |
|
| E01B 27/10 | UGR2 | | . . | without taking-up the track (E01B 27/11 takes precedence) |
|
| E01B 27/11 | UGR2 | | . . | combined with concurrent renewal of track components |
|
| E01B 27/12 | UGR1 | | . | Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast |
|
| E01B 27/13 | UGR2 | | . . | Packing sleepers, with or without concurrent work on the track (preforming ballast cores or seats for sleepers E01B 27/02) |
|
| E01B 27/14 | UGR3 | | . . . | Manual tools or hand-held power tools therefor |
|
| E01B 27/16 | UGR3 | | . . . | Machines therefor, e.g. so-called sleeper-tamping machines |
|
| E01B 27/17 | UGR4 | | . . . . | combined with means for lifting, levelling, or slewing the track |
|
| E01B 27/18 | UGR3 | | . . . | by introducing additional fresh material under the sleepers, e.g. by the measured-shovel method, by the blowing method |
|
| E01B 27/20 | UGR2 | | . . | Compacting the material of the track-carrying ballastway, e.g. by vibrating the track, by surface vibrators (of trackless ballastway E01B 27/02; for packing sleepers E01B 27/12) |
|
| E01B 29/00 | HGR | Laying, rebuilding, or taking-up tracks; Tools or machines therefor (E01B 27/00, E01B 31/00 take precedence) |
| E01B 29/02 | UGR1 | | . | Transporting, laying, removing, or renewing lengths of assembled track, assembled switches, or assembled crossings (E01B 29/04 takes precedence) |
|
| E01B 29/04 | UGR1 | | . | Lifting or levelling of tracks (lifting devices in general B66F) |
|
| E01B 29/05 | UGR1 | | . | Transporting, laying, removing, or renewing both rails and sleepers (as assembled units E01B 29/02) |
|
| E01B 29/06 | UGR1 | | . | Transporting, laying, removing, or renewing sleepers (E01B 29/05 takes precedence; carrying devices B65G 7/12) |
|
| E01B 29/09 | UGR2 | | . . | under, or from under, installed rails |
|
| E01B 29/10 | UGR3 | | . . . | for inserting or removing sleepers |
|
| E01B 29/11 | UGR4 | | . . . . | Removal involving destruction of the sleeper, e.g. the sectioning thereof |
|
| E01B 29/13 | UGR3 | | . . . | for moving sleepers in a direction parallel to the rails, e.g. for spacing or aligning them (E01B 29/10 takes precedence) |
|
| E01B 29/14 | UGR3 | | . . . | for lifting sleepers up to the rails (lifting devices in general B66F) |
|
| E01B 29/16 | UGR1 | | . | Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track (E01B 29/05 takes precedence; moving or tilting heavy loads in general B65G 7/00) |
|
| E01B 29/17 | UGR2 | | . . | Lengths of rails assembled into strings, e.g. welded together |
|
| E01B 29/20 | UGR2 | | . . | Moving rails placed on installed sleepers in the plane of the track |
|
| E01B 29/22 | UGR2 | | . . | Raising rails from sleepers, e.g. for inserting sole-plates (lifting devices in general B66F) |
|
| E01B 29/24 | UGR1 | | . | Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means (E01B 29/02, E01B 31/26 take precedence) |
|
| E01B 29/26 | UGR2 | | . . | the fastening means being spikes (E01B 29/16 takes precedence; hand-held tools for nail or staple driving or extracting B25C) |
|
| E01B 29/28 | UGR2 | | . . | the fastening means being of screw-and-nut type (portable apparatus for fixing or removing screws or the like B25B); Apparatus therefor, adapted to additionally drilling holes |
|
| E01B 29/29 | UGR3 | | . . . | for horizontally-arranged fastening elements, e.g. fish-bolts |
|
| E01B 29/32 | UGR1 | | . | Installing or removing track components, not covered by the preceding groups, e.g. sole-plates, rail anchors (E01B 31/26 takes precedence) |
|
| E01B 29/40 | UGR1 | | . | Means or arrangements for temporarily supporting laid tracks, or rails or sleepers in the track (temporary fishplates E01B 11/18) |
|
| E01B 29/42 | UGR1 | | . | Undetachably joining or fastening track components in or on the track, e.g. by welding, by gluing; Pre-assembling track components by gluing; Sealing joints with filling components (E01B 31/26 takes precedence; independent heating means E01B 31/18; welding in general B23K; gluing metal parts in general F16B 11/00) |
|
| E01B 29/44 | UGR2 | | . . | Methods for effecting joining of rails in the track, e.g. taking account of ambient temperature |
|
| E01B 29/46 | UGR2 | | . . | Devices for holding, positioning, or urging together the rail ends (adjusting the joint by moving rails E01B 29/20) |
|
| E01B 31/00 | HGR | Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor (characterised by features independent of use on assembled track B21, B23-B25, B27) |
| E01B 31/02 | UGR1 | | . | Working rail or other metal track components on the spot |
|
| E01B 31/04 | UGR2 | | . . | Sectioning or slitting, e.g. by sawing, shearing, flame-cutting |
|
| E01B 31/06 | UGR2 | | . . | Making holes, e.g. by drilling, punching, flame-cutting |
|
| E01B 31/08 | UGR2 | | . . | Bending, e.g. for straightening rails or rail joints (for aligning rail ends to be welded E01B 29/46) |
|
| E01B 31/12 | UGR2 | | . . | Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails |
|
| E01B 31/13 | UGR3 | |
| E01B 31/15 | UGR3 | | . . . | by planing or filing |
|
| E01B 31/17 | UGR3 | |
| E01B 31/18 | UGR2 | | . . | Reconditioning or repairing worn or damaged parts on the spot, e.g. applying inlays, building-up rails by welding (E01B 31/04-E01B 31/12 take precedence); Heating or cooling of parts on the spot, e.g. for reducing joint gaps, for hardening rails |
|
| E01B 31/20 | UGR1 | | . | Working or treating non-metal sleepers in or on the line, e.g. marking, creosoting (working metal sleepers E01B 31/02) |
|
| E01B 31/22 | UGR2 | | . . | Cutting or grinding wooden sleepers, e.g. for forming rail seats (E01B 31/24 takes precedence) |
|
| E01B 31/23 | UGR3 | | . . . | Sectioning (combined with removal of segments from track E01B 29/11) |
|
| E01B 31/24 | UGR2 | | . . | Forming, treating, reconditioning, or cleaning holes in sleepers; Drilling-templates (E01B 29/28, E01B 31/26 take precedence) |
|
| E01B 31/26 | UGR2 | | . . | Inserting or removing inserts or fillings for holes in sleepers, e.g. plugs, sleeves |
|
| E01B 31/28 | UGR2 | | . . | Applying or removing anti-splitting or like reinforcing means (E01B 31/26 takes precedence; straps or bands therefor E01B 3/08) |
|
| E01B 33/00 | HGR | Machines or devices for shifting tracks, with or without lifting, e.g. for aligning track, for shifting excavator track (combined with sleeper packing machines E01B 27/17) |
| E01B 33/02 | UGR1 | | . | for slewing, i.e. transversely shifting, in steps |
|
| E01B 33/04 | UGR2 | | . . | Manual tools; Devices not mounted on vehicles |
|
| E01B 33/06 | UGR1 | | . | for slewing in a continuous operation, e.g. for tracks which carry excavators |
|
| E01B 33/08 | UGR2 | | . . | Boom track-slewing machines |
|
| E01B 33/10 | UGR2 | | . . | Bridge track-slewing machines |
|
| E01B 33/12 | UGR2 | | . . | Combined boom and bridge track-slewing machines |
|
| E01B 33/18 | UGR2 | | . . | Details not peculiar to a particular type of machine |
|
| E01B 33/21 | UGR3 | | . . . | Arrangement or construction of rollers moving the rails |
|
| E01B 35/00 | HGR | Applications of measuring apparatus or devices for track-building purposes (apparatus on locomotives or cars to indicate or record bad track sections B61K 9/00; measuring angles, linear dimensions, or irregularities in general G01B, G01C) |
| E01B 35/02 | UGR1 | | . | for spacing; for cross levelling; for laying-out curves |
|
| E01B 35/04 | UGR2 | |
| E01B 35/06 | UGR1 | | . | for measuring irregularities in longitudinal direction |
|
| E01B 35/08 | UGR2 | |
| E01B 35/10 | UGR2 | |
| E01B 35/12 | UGR1 | | . | for measuring movement of the track or of components thereof under rolling loads, e.g. depression of sleepers, increase of gauge |
|
| E01B 37/00 | HGR | Making, maintaining, renewing, or taking-up the ballastway or the track, not provided for in a single one of groups E01B 27/00-E01B 35/00 |