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2D057 | Machines for laying and maintaining railways | |
E01B27/00 -37/00@Z |
E01B27/00-37/00@Z | AA | AA00 PURPOSE OF TRACK CORRECTIONS |
AA01 | AA02 | AA03 | AA04 | AA05 | |||||
. Railway track gauge | . Amount of cant or leveling | . Railway height or level | . Railway path | . Correction of surface torsion | ||||||||
AB | AB00 TRACK CORRECTIONS |
AB01 | AB02 | AB03 | AB04 | AB06 | ||||||
. Measurement of track irregularities | . . Irregularities in the vertical level or height | . . Horizontal irregularities such as twistin (e.g., railway gauge and railway path) | . . Torsion | . Calculations or control | ||||||||
AB11 | AB12 | AB14 | AB15 | AB17 | AB18 | |||||||
. Adjustment of the rail height (i.e., except by compacting) | . . Adjustment of cant | . Horizontal railway adjustment or adjustment of rail spacing | . . Adjustment tools | . Raising or lifting of rails and railroad ties | . . Rail catches or rail tongs | |||||||
AB21 | AB22 | AB24 | AB25 | AB26 | AB28 | |||||||
. Railroad-tie packing | . . Methods of packing | . . Packing devices | . . . Integrated-rail lifting apparatuses | . . . Standard built-in types | . . . Hand-held types | |||||||
BA | BA00 Railway track laying, repair, or switching |
BA01 | BA02 | BA03 | ||||||||
. Transports or carriers | . . Rail transport | . . Railroad-tie transport | ||||||||||
BA11 | BA12 | BA13 | BA14 | BA16 | BA18 | BA19 | BA20 | |||||
. Railway track laying, switching, or removal | . . Rail suspension or lifting | . . . Cranes | . . . Jacks | . . Rail supplying | . . Railroad-tie suspension or lifting | . . . Jacks | . . . Extraction or insertion of railroad ties | |||||
BA21 | BA23 | BA24 | BA26 | BA28 | BA29 | BA30 | ||||||
. . Connection, welding, or putting together of rail ends | . . Drilling of holes or cutting of rails or railroad ties | . . Rail-shape measurement or detection of cracks | . . Rail cutting or grinding | . . Rail fixing | . . . Screwing and unscrewing | . . . Nailing and nail extraction | ||||||
BA31 | BA32 | BA33 | ||||||||||
. Rail repair or reconstruction | . . Repair or reconstruction of rails | . . Repair, reconstruction, or filling of railroad ties | ||||||||||
CA | CA00 SLAB ROADBEDS |
CA01 | CA03 | CA04 | CA05 | CA06 | CA08 | |||||
. Manufacture of slab boards | . Laying of slab boards | . . Adjustments | . . Filling | . . Switching from ballast roadbeds | . Repair | |||||||
CB | CB00 BALLAST ROADBEDS |
CB01 | CB02 | CB04 | CB06 | CB07 | CB08 | |||||
. Transport and laying of ballast | . . Ballast raking and correction | . Ballast compacting | . Ballast switching | . . Ballast sifting or cleaning | . . Scraping together, removal, or collection of ballast | |||||||
CC | CC00 ELEVATED OR UNDERGROUND RAILWAY TRACKS |
CC01 | CC02 | |||||||||
. Transport and moving of structural materials | . Methods | |||||||||||
DA | DA00 LAYING OR REPAIR OF RAILWAY TRACK FOR SPECIAL RAILWAYS |
DA01 | DA02 | DA04 | DA05 | DA07 | ||||||
. Transport | . . Machines or tools for transporting | . Railway track laying | . . Railway track adjustment | . Track switching or repair |