Railways – Track layers
Patent
1989-08-17
1990-08-14
Kashnikow, Andres
Railways
Track layers
238 2, 238 6, E01B 100
Patent
active
049477560
ABSTRACT:
Railway track is laid by supporting the rails in spacers above a pair of parallel flexible tubes, which are then filled with aggregate under pressure to contact the feet of the rails and to curl around the feet so that when set the rail is continuously supported and no sleepers or ballast are required.
REFERENCES:
patent: 259726 (1882-06-01), Smith
patent: 4174066 (1979-11-01), Dugasz
patent: 4679731 (1987-07-01), Klugar et al.
Kusel Peter G.
Rose Joachim
Kashnikow Andres
Kusel Peter G.
Le Mark T.
Myers Richard J.
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