Method of manufacturing railway sleepers

Details Method of manufacturing railway sleepers Method of manufacturing railway sleepers

1979-06-01

1981-08-25

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

29155R, 29463, 228173E, 228173F, 228182, B23P 300, B23P 1904

Patent

active

042851157

ABSTRACT:
A multiplicity of step-shaped sleepers or ties each having two straight end segments interconnected by a middle portion inclined at obtuse angles with respect to the end segments are each joined at their respective end segments to two adjacent sleepers by means of rib plates to form a zig-zag sleeper network underlying a pair of parallel spaced-apart rails in a railway roadbed assembly. The sleepers are formed from I-beam profiles; a plurality of channel profiles extending parallel to the rails below the sleeper network are connected to the rib plates by bolts traversing the sleepers, the channels being embedded in the ground or in a concrete track bed to prevent lateral displacement of the railway assembly. A method of forming Y-shaped ties includes the bending of I-beam profiles in a press die assembly, welding the profiles together and filling interbeam spaces with a weight-increasing corrosion-retarding material such as concrete.

REFERENCES:
patent: 830287 (1906-09-01), Benjamin
patent: 1711186 (1929-04-01), Tilley
patent: 2902753 (1959-09-01), Schilberg
patent: 3200026 (1965-08-01), Brown
patent: 3400446 (1968-09-01), Yulkowski

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