Railways: surface track – Miscellaneous
Patent
1980-03-28
1982-01-19
Cannon, James C.
Railways: surface track
Miscellaneous
14 73, 238 2, 405131, 405258, 428 77, 428172, 428190, 428212, 428215, 428220, 428284, 428287, 428290, 4283115, 4283166, B32B 506, B32B 526, E01B 344
Patent
active
043112730
ABSTRACT:
A variable thickness fabric mat for use with railroad track right of way beneath the track structure. The mat has a central portion of predetermined thickness, and lateral shoulder portions of a reduced thickness as compared to said cental portion, with the central portion being of a predetermined width of adequate dimension to generally completely underlie the railroad track structure. The mat provides a method for transmission of force from a train on the railroad track structure to be spread over a greater area of the underlying earth bearing surface, and with the mat possessing the capability of passing water, and aiding in draining water from the soil beneath the mat, as well as from the top and sides of the track support.
REFERENCES:
patent: 2827412 (1958-03-01), McKay
patent: 3402227 (1968-09-01), Knee
patent: 3587964 (1971-06-01), Cork
patent: 3598680 (1971-08-01), Lee
patent: 3670506 (1972-06-01), Goudard
patent: 3765996 (1973-10-01), Munyon
patent: 4076876 (1978-02-01), Bowles
patent: 4265398 (1981-05-01), Luebke
Cannon James C.
True Temper Corporation
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