Apparatus for bonding together pieces of track ballast

Details Apparatus for bonding together pieces of track ballast Apparatus for bonding together pieces of track ballast

1975-01-10

1976-02-24

Spar, Robert J.

Railways

Track layers

Tamper

E01B 2716

Patent

active

039397742

ABSTRACT:
While a tamping unit with tamping tools for tamping track ballast is lowered to immerse the tamping tools in the ballast and to tamp the same, a metered amount of a liquid bonding medium is delivered to and through internal conduits in the tamping tools and ejected through an opening under pressure thereby to bond together pieces of ballast coated by the ejected bonding medium. The commencement and termination of the bonding medium delivery is controlled in response to the depth of immersion of the tamping tools in the ballast.

REFERENCES:
patent: 1041878 (1912-10-01), Royal
patent: 2669942 (1954-02-01), Scheuchzer
patent: 3656690 (1972-04-01), Hanig

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