METHOD OF DIGGING CRUSHED STONE Russian patent published in 2021 - IPC E01B27/02 

Abstract RU 2745932 C1

FIELD: railways.

SUBSTANCE: invention relates to the upper structure of the railway track, in particular to the methods of digging the ballast crashed stone. Before digging, the crashed stone is moistened with water. Then the working body of the tool is deepened and moved for digging in the crashed stone.

EFFECT: effort required to insert the working body into the crashed stone is reduced.

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Authors

Dates

2021-04-05Published

2020-09-08Filed