Track renewal

Details Track renewal Track renewal

1992-08-05

1993-06-29

Le, Mark T.

Railways

Track layers

104 15, E01B 2900

Patent

active

052224350

ABSTRACT:
A track is progressively renewed in an operating direction by continuously lifting the used track rails from the used ties, replacing the old ties by new ties and laying new rails on the new ties. Before the new rails are laid, adjoining ends thereof are continuously welded together behind the location where the ties are exchanged and the welded rails are exchanged for the used rails.

REFERENCES:
patent: 3633513 (1972-01-01), Plasser et al.
patent: 3795056 (1974-03-01), Plasser et al.
patent: 3807310 (1974-04-01), Erna et al.
patent: 3896734 (1975-07-01), Plasser et al.
patent: 4184431 (1980-01-01), Goel
patent: 4275659 (1981-06-01), Theurer et al.
patent: 4301738 (1981-11-01), Theurer
patent: 4542697 (1985-09-01), Cicin-Sain
patent: 4643100 (1987-02-01), Valditerra

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