Railways: surface track – Roadbed
Patent
1986-01-23
1987-07-14
Reese, Randolph A.
Railways: surface track
Roadbed
238 27, 405229, 248636, 53469, E01B 100
Patent
active
046797319
ABSTRACT:
The invention relates to a railway track structure of which the rails are fastened to sleepers. Under each sleeper there are provided one or more bags filled with ballast material in the form of pebbles, broken stone and/or sand. The invention also comprises a method of building such a railway track structure.
REFERENCES:
patent: 1353210 (1920-09-01), Bates
patent: 1743824 (1930-01-01), Levine
patent: 3756507 (1973-09-01), Hanig et al.
patent: 4311273 (1982-01-01), Marsh
patent: 4368844 (1983-01-01), Miller
Klugar Karl
Van Santvoort Gerardus P. T. M.
Akzo NV
Foster Glenn B.
Reese Randolph A.
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