Railways – Track layers
Patent
1975-01-24
1977-01-04
Spar, Robert J.
Railways
Track layers
104 3, 104 6, 104137, 105215R, E01B 2902
Patent
active
040006999
ABSTRACT:
A train assembly for replacement of an old rail track by a new one with long rails comprises a permanently coupled train section including an open-frame wagon with rails carrying gantries for removal of track panels through the open frame and placing new cross-ties. The open-frame wagon has a bogie able to run on the track but retracted during operation and replaced by caterpillar tracks running on the ballast, or by rollers running on the new rails placed temporarily beside the track. The new rails are then brought together and fixed on the newly-placed cross-ties, so that the rear part of the train assembly runs on the new track whereas the front part runs on the old track.
REFERENCES:
patent: 3654868 (1972-04-01), Plasser et al.
patent: 3699894 (1972-10-01), Plasser et al.
patent: 3808693 (1974-05-01), Plasser et al.
patent: 3880084 (1975-04-01), Denenburg
Buhler Fritz
Chiesa Alfred
Scheuchzer Fredy
Adams Bruce L.
Burns Robert E.
Les Fils d'Auguste Scheuchzer S.A.
Lobato Emmanuel J.
Reese Randolph A.
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