Excavating – Railway graders
Patent
1994-06-13
1996-01-02
Melius, Terry Lee
Excavating
Railway graders
37105, 104 71, 104 12, 171 16, E02F 522
Patent
active
054797250
ABSTRACT:
A mobile arrangement for rehabilitating a ballast bed by installing a protective layer between a subgrade and layer of ballast at a construction site of the track includes an excavation unit for continuously removing old ballast from the ballast bed to expose the subgrade and a rock crusher unit which receives at least a portion of withdrawn old ballast for comminution thereof. Comminuted old ballast is then laid over the exposed subgrade for forming at least part of the protective layer.
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Brunninger Manfred
Theurer Josef
Batson Victor
Feiereisen Henry M.
Franz Plasser Bahnbaumaschinen-Industrieges. m.b.H.
Melius Terry Lee
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